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Finding the Fourth Proportional to 951.52, 1,313.20 and 531.94

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Solution

The fourth proportional to 951.52, 1,313.20 and 531.94 is: 734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.52 : 1,313.20 = 531.94 : x
  2. Step 2: Convert to fraction form
    951.52/1,313.20 = 531.94/x
  3. Step 3: Cross multiply
    951.52x = 1,313.20 × 531.94
  4. Step 4: Simplify right side
    951.52x = 698,543.61
  5. Step 5: Solve for x
    x = 698,543.61/951.52
  6. Step 6: Final answer
    x = 734.13

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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.