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Finding the Fourth Proportional to 752.06, 1,037.67 and 437.24

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Solution

The fourth proportional to 752.06, 1,037.67 and 437.24 is: 603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.06 : 1,037.67 = 437.24 : x
  2. Step 2: Convert to fraction form
    752.06/1,037.67 = 437.24/x
  3. Step 3: Cross multiply
    752.06x = 1,037.67 × 437.24
  4. Step 4: Simplify right side
    752.06x = 453,710.83
  5. Step 5: Solve for x
    x = 453,710.83/752.06
  6. Step 6: Final answer
    x = 603.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.