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Finding the Fourth Proportional to 532.38, 734.49 and 336.17

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Solution

The fourth proportional to 532.38, 734.49 and 336.17 is: 463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.38 : 734.49 = 336.17 : x
  2. Step 2: Convert to fraction form
    532.38/734.49 = 336.17/x
  3. Step 3: Cross multiply
    532.38x = 734.49 × 336.17
  4. Step 4: Simplify right side
    532.38x = 246,909.83
  5. Step 5: Solve for x
    x = 246,909.83/532.38
  6. Step 6: Final answer
    x = 463.78

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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.