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Finding the Fourth Proportional to 951.24, 1,426.25 and 625.62

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Solution

The fourth proportional to 951.24, 1,426.25 and 625.62 is: 938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.24 : 1,426.25 = 625.62 : x
  2. Step 2: Convert to fraction form
    951.24/1,426.25 = 625.62/x
  3. Step 3: Cross multiply
    951.24x = 1,426.25 × 625.62
  4. Step 4: Simplify right side
    951.24x = 892,287.40
  5. Step 5: Solve for x
    x = 892,287.40/951.24
  6. Step 6: Final answer
    x = 938.03

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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.