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Finding the Fourth Proportional to 116.03, 173.97 and 55.13

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Solution

The fourth proportional to 116.03, 173.97 and 55.13 is: 82.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.03 : 173.97 = 55.13 : x
  2. Step 2: Convert to fraction form
    116.03/173.97 = 55.13/x
  3. Step 3: Cross multiply
    116.03x = 173.97 × 55.13
  4. Step 4: Simplify right side
    116.03x = 9,590.10
  5. Step 5: Solve for x
    x = 9,590.10/116.03
  6. Step 6: Final answer
    x = 82.66

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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.