Total number of girls enrolled in Painting = 250 + 225 + 150 + 175 + 300 = 1100
Total number of girls enrolled in Stitching = 325 + 250 + 50 + 250+ 325 = 1200
Total number of girls enrolled in Dancing = 150 + 200 + 75 + 400 + 350 = 1175
Hence, required ratio = 1100 : 1200 : 1175 = 44 : 48 : 47