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Finding the Fourth Proportional to 539.64, 747.72 and 532.62

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Solution

The fourth proportional to 539.64, 747.72 and 532.62 is: 737.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.64 : 747.72 = 532.62 : x
  2. Step 2: Convert to fraction form
    539.64/747.72 = 532.62/x
  3. Step 3: Cross multiply
    539.64x = 747.72 × 532.62
  4. Step 4: Simplify right side
    539.64x = 398,250.63
  5. Step 5: Solve for x
    x = 398,250.63/539.64
  6. Step 6: Final answer
    x = 737.99

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.