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Finding the Fourth Proportional to 663.57, 914.22 and 532.35

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Solution

The fourth proportional to 663.57, 914.22 and 532.35 is: 733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    663.57 : 914.22 = 532.35 : x
  2. Step 2: Convert to fraction form
    663.57/914.22 = 532.35/x
  3. Step 3: Cross multiply
    663.57x = 914.22 × 532.35
  4. Step 4: Simplify right side
    663.57x = 486,685.02
  5. Step 5: Solve for x
    x = 486,685.02/663.57
  6. Step 6: Final answer
    x = 733.43

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Double scale
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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.