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Finding the Fourth Proportional to 532.91, 735.39 and 358.13

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Solution

The fourth proportional to 532.91, 735.39 and 358.13 is: 494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.91 : 735.39 = 358.13 : x
  2. Step 2: Convert to fraction form
    532.91/735.39 = 358.13/x
  3. Step 3: Cross multiply
    532.91x = 735.39 × 358.13
  4. Step 4: Simplify right side
    532.91x = 263,361.54
  5. Step 5: Solve for x
    x = 263,361.54/532.91
  6. Step 6: Final answer
    x = 494.20

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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.