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Finding the Fourth Proportional to 135.92, 204.02 and 116.87

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Solution

The fourth proportional to 135.92, 204.02 and 116.87 is: 175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.92 : 204.02 = 116.87 : x
  2. Step 2: Convert to fraction form
    135.92/204.02 = 116.87/x
  3. Step 3: Cross multiply
    135.92x = 204.02 × 116.87
  4. Step 4: Simplify right side
    135.92x = 23,842.21
  5. Step 5: Solve for x
    x = 23,842.21/135.92
  6. Step 6: Final answer
    x = 175.42

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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.