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Finding the Fourth Proportional to 249.64, 375.14 and 134.17

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Solution

The fourth proportional to 249.64, 375.14 and 134.17 is: 201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.64 : 375.14 = 134.17 : x
  2. Step 2: Convert to fraction form
    249.64/375.14 = 134.17/x
  3. Step 3: Cross multiply
    249.64x = 375.14 × 134.17
  4. Step 4: Simplify right side
    249.64x = 50,331.93
  5. Step 5: Solve for x
    x = 50,331.93/249.64
  6. Step 6: Final answer
    x = 201.62

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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.