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Finding the Fourth Proportional to 95.01, 141.49 and 89.17

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Solution

The fourth proportional to 95.01, 141.49 and 89.17 is: 132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.01 : 141.49 = 89.17 : x
  2. Step 2: Convert to fraction form
    95.01/141.49 = 89.17/x
  3. Step 3: Cross multiply
    95.01x = 141.49 × 89.17
  4. Step 4: Simplify right side
    95.01x = 12,616.09
  5. Step 5: Solve for x
    x = 12,616.09/95.01
  6. Step 6: Final answer
    x = 132.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.