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Finding the Fourth Proportional to 752.06, 1,037.80 and 575.14

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Solution

The fourth proportional to 752.06, 1,037.80 and 575.14 is: 793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.06 : 1,037.80 = 575.14 : x
  2. Step 2: Convert to fraction form
    752.06/1,037.80 = 575.14/x
  3. Step 3: Cross multiply
    752.06x = 1,037.80 × 575.14
  4. Step 4: Simplify right side
    752.06x = 596,880.29
  5. Step 5: Solve for x
    x = 596,880.29/752.06
  6. Step 6: Final answer
    x = 793.66

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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.