Page 1 of 11 Pages

                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                 SCHEDULE 13D

                   Under the Securities Exchange Act of 1934
                              (Amendment No. 4)*

                           
                            POLO RALPH LAUREN CORP.
             -----------------------------------------------------
                                (Name of Issuer)
 
                                   CLASS A    
             -----------------------------------------------------
                         (Title of Class of Securities)

                                  731572103
             -----------------------------------------------------
                                 (CUSIP Number)

                  Linda S. Martinson, Esq. (212) 583-2000
                767 Fifth Avenue, 24th Floor, New York, NY 10153
             -----------------------------------------------------
                 (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                December 28, 1998
             -----------------------------------------------------
            (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ].

Check the following box if a fee is being paid with this statement [ ].
(A fee is not required only if the filing person: (1) has a previous  statement
on file reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7.)

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities,
and for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).

                                                    SEC 1746 (12-91)


                             Amendment Number 4 to Schedule 13D (continued)

CUSIP No. 731572103                                Page 2 of 11 Pages
- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
    
       Baron Capital Group, Inc.
- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [ ]
                                                             (b)  [ ]
- --------------------------------------------------------------------------------
   3   SEC USE ONLY

- --------------------------------------------------------------------------------
   4   SOURCE OF FUNDS

       OO
- --------------------------------------------------------------------------------
   5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS
       2(C) OR 2(E)    [ ]

- --------------------------------------------------------------------------------
   6   CITIZENSHIP OR PLACE OF ORGANIZATION

- --------------------------------------------------------------------------------
   NUMBER OF      7    SOLE VOTING POWER
     SHARES               310,000
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      8    SHARED VOTING POWER
      EACH             12,124,500
   REPORTING      --------------------------------------------------------------
     PERSON       9    SOLE DISPOSITIVE POWER
      WITH                310,000
                  --------------------------------------------------------------
                  10   SHARED DISPOSITIVE POWER

                       12,124,500
- --------------------------------------------------------------------------------
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       12,434,500
- --------------------------------------------------------------------------------
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*


- --------------------------------------------------------------------------------
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       36.9%
- --------------------------------------------------------------------------------
  14   TYPE OF REPORTING PERSON*

       HC, CO
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT



                        Amendment Number 4 to Schedule 13D (continued)

CUSIP No. 731572103                       Page 3 of 11 Pages
- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
    
       BAMCO, Inc.
- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [ ]
                                                             (b)  [ ]
- --------------------------------------------------------------------------------
   3   SEC USE ONLY

- --------------------------------------------------------------------------------
   4   SOURCE OF FUNDS

       OO
- --------------------------------------------------------------------------------
   5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS
       2(C) OR 2(E)    [ ]

- --------------------------------------------------------------------------------
   6   CITIZENSHIP OR PLACE OF ORGANIZATION

- --------------------------------------------------------------------------------
   NUMBER OF      7    SOLE VOTING POWER
     SHARES            
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      8    SHARED VOTING POWER
      EACH             10,582,900
   REPORTING      --------------------------------------------------------------
     PERSON       9    SOLE DISPOSITIVE POWER
      WITH              
                  --------------------------------------------------------------
                  10   SHARED DISPOSITIVE POWER

                       10,582,900
- --------------------------------------------------------------------------------
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       10,582,900
- --------------------------------------------------------------------------------
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*


- --------------------------------------------------------------------------------
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       31.4%
- --------------------------------------------------------------------------------
  14   TYPE OF REPORTING PERSON*

       IA, CO
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT



                       Amendment Number 4 to Schedule 13D (continued)

CUSIP No. 731572103                        Page 4 of 11 Pages
- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
    
       Baron Capital Management, Inc.
- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [ ]
                                                             (b)  [ ]
- --------------------------------------------------------------------------------
   3   SEC USE ONLY

- --------------------------------------------------------------------------------
   4   SOURCE OF FUNDS

       OO
- --------------------------------------------------------------------------------
   5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS
       2(C) OR 2(E)    [ ]

- --------------------------------------------------------------------------------
   6   CITIZENSHIP OR PLACE OF ORGANIZATION

- --------------------------------------------------------------------------------
   NUMBER OF      7    SOLE VOTING POWER
     SHARES              310,000
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      8    SHARED VOTING POWER
      EACH             1,541,600
   REPORTING      --------------------------------------------------------------
     PERSON       9    SOLE DISPOSITIVE POWER
      WITH               310,000
                  --------------------------------------------------------------
                  10   SHARED DISPOSITIVE POWER

                       1,541,600
- --------------------------------------------------------------------------------
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       1,851,600
- --------------------------------------------------------------------------------
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*


- --------------------------------------------------------------------------------
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       5.5%
- --------------------------------------------------------------------------------
  14   TYPE OF REPORTING PERSON*

       IA, CO
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT



                           Amendment Number 4 to Schedule 13D (continued)

CUSIP No. 731572103                        Page 5 of 11 Pages
- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
    
       Baron Asset Fund
- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [ ]
                                                             (b)  [ ]
- --------------------------------------------------------------------------------
   3   SEC USE ONLY

- --------------------------------------------------------------------------------
   4   SOURCE OF FUNDS

       OO
- --------------------------------------------------------------------------------
   5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS
       2(C) OR 2(E)    [ ]

- --------------------------------------------------------------------------------
   6   CITIZENSHIP OR PLACE OF ORGANIZATION

- --------------------------------------------------------------------------------
   NUMBER OF      7    SOLE VOTING POWER
     SHARES            
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      8    SHARED VOTING POWER
      EACH             10,354,900
   REPORTING      --------------------------------------------------------------
     PERSON       9    SOLE DISPOSITIVE POWER
      WITH             
                  --------------------------------------------------------------
                  10   SHARED DISPOSITIVE POWER

                       10,354,900
- --------------------------------------------------------------------------------
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       10,354,900
- --------------------------------------------------------------------------------
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*


- --------------------------------------------------------------------------------
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       30.8%
- --------------------------------------------------------------------------------
  14   TYPE OF REPORTING PERSON*

       IV, OO 
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT



                      Amendment Number 4 to Schedule 13D (continued)

CUSIP No. 731572103                   Page 6 of 11 Pages
- --------------------------------------------------------------------------------
   1   NAME OF REPORTING PERSON
       S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

      Ronald Baron
- --------------------------------------------------------------------------------
   2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                             (a)  [ ]
                                                             (b)  [ ]
- --------------------------------------------------------------------------------
   3   SEC USE ONLY

- --------------------------------------------------------------------------------
   4   SOURCE OF FUNDS

       OO
- --------------------------------------------------------------------------------
   5   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS
       2(C) OR 2(E)    [ ]

- --------------------------------------------------------------------------------
   6   CITIZENSHIP OR PLACE OF ORGANIZATION

       USA
- --------------------------------------------------------------------------------
   NUMBER OF      7    SOLE VOTING POWER
     SHARES               310,000
  BENEFICIALLY    --------------------------------------------------------------
    OWNED BY      8    SHARED VOTING POWER
      EACH             12,124,500 
   REPORTING      --------------------------------------------------------------
     PERSON       9    SOLE DISPOSITIVE POWER
      WITH                310,000
                  --------------------------------------------------------------
                  10   SHARED DISPOSITIVE POWER
                       12,124,500
- --------------------------------------------------------------------------------
  11   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       12,434,500
- --------------------------------------------------------------------------------
  12   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*


- --------------------------------------------------------------------------------
  13   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

       36.9%
- --------------------------------------------------------------------------------
  14   TYPE OF REPORTING PERSON*

       IN
- --------------------------------------------------------------------------------
                     *SEE INSTRUCTIONS BEFORE FILLING OUT



                                              Page 7 of 11 Pages

Item 1.   Security and Issuer
          (a)  Name of Issuer:
               Polo Ralph Lauren Corp.
          (b)  Address of Issuer's Principal Executive Offices:
               650 Madison Avenue
               New York, NY 10022
          (c)  Title and Class of Securities:
               Class A    

Item 2.   Identity and Background
          (a)  Name:
               Baron Capital Group, Inc.  ('BCG')
               BAMCO, Inc.  ('BAMCO')
               Baron Capital Management, Inc.  ('BCM')
               Baron Asset Fund ('BAF')
               Ronald Baron
          (b)  Business Address:
               767 Fifth Avenue
               New York, NY 10153
          (c)  Present Principal Employment:
               BCG:             Holding company
               BAMCO:           Investment adviser
               BCM:             Investment adviser
               BAF:             Registered investment company
               Ronald Baron:    President: BCG, BAMCO, BCM; CEO OF BAF
               767 Fifth Avenue
               New York, NY 10153
          (d)  Record of Convictions:
               No material change.
          (e)  Record of Civil Proceedings:
               No material change.
          (f)  Citizenship:
               No material change. 

 Item 3.   Source and Amount of Funds or Other Consideration
           Ronald Baron owns no shares of the issuer directly. BAMCO directed
           the purchase of 10,582,900 shares of the Issuer for its investment
           advisory clients for an aggregate purchase price of $269,467,698.
           Of these shares,10,354,900 were acquired for the account of BAF for
           an aggregate purchase price of $263,838,253. BCM directed the
           purchase of 1,541,600 shares of the issuer for its investment
           advisory clients for an aggregate purchase price of $36,426,244.
           BCM also purchased 310,000 shares of the issuer for two 
           investment partnerships for an aggregate price of $7,090,979.  All
           of the shares were paid for by cash assets in the respective 
           clients' accounts and/or by margin borrowings pursuant to 
           standard margin agreements.
          
 Item 4.   Purpose of Transaction
           No material change.

          



                                                          Page 8 of 11 Pages



 Item 5.  Interest in Securities of the Issuer
           (a) Amount and percentage beneficially owned:
               BCG:            12,434,500     36.9%
               BAMCO:          10,582,900     31.4%
               BCM:             1,851,600      5.5%
               BAF:            10,354,900     30.8% 
               Ronald Baron:   12,434,500     36.9%

           (b) Number of shares as to which such person has:
               (i)   sole power to vote or direct the vote:
               BCG:               310,000
               BAMCO:                   0      
               BCM:               310,000
               BAF:                     0
               Ronald Baron:      310,000
               (ii)  shared power to vote or direct the vote:
               BCG:            12,124,500
               BAMCO:          10,582,900      
               BCM:             1,541,600
               BAF:            10,354,900
               Ronald Baron:   12,434,500                       
               (iii) sole power to dispose or to direct the disposition:
               BCG:               310,000
               BAMCO:                   0      
               BCM:               310,000
               BAF:                     0
               Ronald Baron:      310,000
              (iv)  shared power to dispose or direct the disposition:
               BCG:            12,124,500
               BAMCO:          10,582,900     
               BCM:             1,541,600
               BAF:            10,354,900
               Ronald Baron:   12,434,500
          
              *Reporting Persons may be deemed to share power to vote and
               dispose of shares referred to herein as a result of control
               relationships (BCG and Ronald Baron with respect to all of
               the shares; BAMCO with respect to the BAF shares) and 
               pursuant to investment advisory relationships with advisory
               clients.  Reporting Persons disclaim beneficial ownership
               of the shares for which they share power.
              #The percentages reported are with respect to Class A stock
               only, which has one vote per share.  The Issuer's Class B
               stock has 10 votes per share, and the Issuer's Class C stock
               has one vote per share, making the total combined
               voting percentage for the Registrants hereunder equal to
               2.5% of the combined voting power of the Issuer's
               outstanding voting securities.
              

           (c) A schedule of transactions effected in the last twenty days
               is attached hereto.



                                                          Page 9 of 11 Pages

           (d) Ownership of More than Five Percent on Behalf of Another Person:
               No material change.

           (e) Ownership of Less than Five Percent:
               Not applicable.

Item 6.    Contracts, Arrangements, Understandings or Relationships with
           Respect to Securities of the Issuer
           
           No material change.
           
Item 7.    Material to be Filed as Exhibits
           Exhibit 99 - 20 days of trading.
 
 Signature

     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete
and correct.

Date:     December 17, 1998


                               Baron Capital Group, Inc., BAMCO, Inc.,
                               Baron Capital Management, Inc.  and
                               Baron Assert Fund
                               By:

                                /s/ Ronald Baron
                                _______________________________________
                                    Ronald Baron, President


                               Ronald Baron, Individually
                               By:
  
                                /s/ Ronald Baron
                                _______________________________________
                                    Ronald Baron
         
Transaction Schedule
From 12-17-98 To 01-05-99
                                                Exec.

Date        Acct ID      Trans    Qty           Price
- --------    -------      -----    ----------    ---------
12-17-98    bamco        buy        25,000      16.5890
12-18-98    bcm          buy         1,000      16.5930
12-18-98    bcm          buy         2,000      16.5930
12-18-98    bcm          buy        10,500      16.5930
12-18-98    bcm          buy         1,000      16.5930
12-18-98    bcm          buy         1,000      16.5930
12-18-98    bcm          buy         2,500      16.5930
12-18-98    bcm          buy         1,200      16.5930
12-18-98    bcm          buy         7,500      16.5930
12-18-98    bcm          buy         3,500      16.5930
12-18-98    bcm          buy         2,000      16.5930
12-21-98    bcm          buy         2,000      16.0250
12-21-98    bcm          buy         4,500      16.0250
12-21-98    bcm          buy         1,600      16.0250
12-21-98    bcm          buy         1,200      16.0250
12-21-98    bcm          buy         2,500      16.0250
12-21-98    bcm          buy         7,500      16.0250
12-21-98    bcm          buy         3,500      16.0250
12-21-98    bcm          buy         2,200      16.0250
12-22-98    bamco        buy        55,000      17.0544
12-22-98    bcm          buy        20,000      17.0544
12-23-98    bamco        buy        11,500      17.2976
12-23-98    bamco        buy        13,500      17.2650
12-23-98    bcm          buy         6,000      17.2650
12-23-98    bcm          buy         3,000      17.2650
12-23-98    bcm          buy         5,000      17.2650
12-23-98    bcm          buy         9,000      17.2650
12-23-98    bcm          buy        14,400      17.2650
12-23-98    bcm          buy        10,500      17.2650
12-24-98    bamco        buy        42,700      17.2037
12-24-98    bamco        buy         2,300      17.1875
12-28-98    bamco        buy        29,900      18.2694
12-28-98    bcm          buy        15,500      18.3710
12-28-98    bcm          buy         5,000      17.4950
12-28-98    bcm          buy        10,000      18.2694
12-28-98    bcm          buy         2,900      18.2694
12-28-98    bcm          buy         8,100      18.2694
12-29-98    bcm          buy        10,000      18.6563
12-29-98    bcm          buy         6,500      18.8395
12-29-98    bcm          buy         5,500      19.0000
12-29-98    bcm          buy        41,000      18.9211
12-29-98    bcm          buy         4,000      18.9211
12-29-98    bcm          buy         3,500      18.8395
12-29-98    bcm          buy        15,000      18.8395
12-30-98    bcm          buy         1,600      19.1914
12-30-98    bcm          buy        20,000      19.0603
12-31-98    bcm          sell       19,800      19.2210
12-31-98    bcm          sell        8,000      19.2019
12-31-98    bcm          sell        3,000      19.2705
01-04-99    bcm          sell       45,200      19.1590
01-04-99    bcm          buy        50,000      19.1712
01-04-99    bcm          buy         7,500      19.1712
01-04-99    bcm          buy        50,000      19.1712