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Finding the Fourth Proportional to 701.52, 967.78 and 477.18

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Solution

The fourth proportional to 701.52, 967.78 and 477.18 is: 658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.52 : 967.78 = 477.18 : x
  2. Step 2: Convert to fraction form
    701.52/967.78 = 477.18/x
  3. Step 3: Cross multiply
    701.52x = 967.78 × 477.18
  4. Step 4: Simplify right side
    701.52x = 461,805.26
  5. Step 5: Solve for x
    x = 461,805.26/701.52
  6. Step 6: Final answer
    x = 658.29

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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.