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Finding the Fourth Proportional to 952.02, 1,425.33 and 658.86

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Solution

The fourth proportional to 952.02, 1,425.33 and 658.86 is: 986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.02 : 1,425.33 = 658.86 : x
  2. Step 2: Convert to fraction form
    952.02/1,425.33 = 658.86/x
  3. Step 3: Cross multiply
    952.02x = 1,425.33 × 658.86
  4. Step 4: Simplify right side
    952.02x = 939,092.92
  5. Step 5: Solve for x
    x = 939,092.92/952.02
  6. Step 6: Final answer
    x = 986.42

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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.