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Finding the Fourth Proportional to 634.72, 952.17 and 269.47

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Solution

The fourth proportional to 634.72, 952.17 and 269.47 is: 404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.72 : 952.17 = 269.47 : x
  2. Step 2: Convert to fraction form
    634.72/952.17 = 269.47/x
  3. Step 3: Cross multiply
    634.72x = 952.17 × 269.47
  4. Step 4: Simplify right side
    634.72x = 256,581.25
  5. Step 5: Solve for x
    x = 256,581.25/634.72
  6. Step 6: Final answer
    x = 404.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.