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Finding the Fourth Proportional to 462.91, 694.36 and 116.24

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Solution

The fourth proportional to 462.91, 694.36 and 116.24 is: 174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.91 : 694.36 = 116.24 : x
  2. Step 2: Convert to fraction form
    462.91/694.36 = 116.24/x
  3. Step 3: Cross multiply
    462.91x = 694.36 × 116.24
  4. Step 4: Simplify right side
    462.91x = 80,712.41
  5. Step 5: Solve for x
    x = 80,712.41/462.91
  6. Step 6: Final answer
    x = 174.36

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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.