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Finding the Fourth Proportional to 134.53, 200.43 and 126.25

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Solution

The fourth proportional to 134.53, 200.43 and 126.25 is: 188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.53 : 200.43 = 126.25 : x
  2. Step 2: Convert to fraction form
    134.53/200.43 = 126.25/x
  3. Step 3: Cross multiply
    134.53x = 200.43 × 126.25
  4. Step 4: Simplify right side
    134.53x = 25,304.29
  5. Step 5: Solve for x
    x = 25,304.29/134.53
  6. Step 6: Final answer
    x = 188.09

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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.