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Finding the Fourth Proportional to 951.50, 1,314.27 and 729.96

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Solution

The fourth proportional to 951.50, 1,314.27 and 729.96 is: 1,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.50 : 1,314.27 = 729.96 : x
  2. Step 2: Convert to fraction form
    951.50/1,314.27 = 729.96/x
  3. Step 3: Cross multiply
    951.50x = 1,314.27 × 729.96
  4. Step 4: Simplify right side
    951.50x = 959,364.53
  5. Step 5: Solve for x
    x = 959,364.53/951.50
  6. Step 6: Final answer
    x = 1,008.27

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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.