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Finding the Fourth Proportional to 134.31, 200.52 and 126.11

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Solution

The fourth proportional to 134.31, 200.52 and 126.11 is: 188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.31 : 200.52 = 126.11 : x
  2. Step 2: Convert to fraction form
    134.31/200.52 = 126.11/x
  3. Step 3: Cross multiply
    134.31x = 200.52 × 126.11
  4. Step 4: Simplify right side
    134.31x = 25,286.57
  5. Step 5: Solve for x
    x = 25,286.57/134.31
  6. Step 6: Final answer
    x = 188.27

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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.