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Finding the Fourth Proportional to 134.38, 202.52 and 133.17

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Solution

The fourth proportional to 134.38, 202.52 and 133.17 is: 200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.38 : 202.52 = 133.17 : x
  2. Step 2: Convert to fraction form
    134.38/202.52 = 133.17/x
  3. Step 3: Cross multiply
    134.38x = 202.52 × 133.17
  4. Step 4: Simplify right side
    134.38x = 26,969.59
  5. Step 5: Solve for x
    x = 26,969.59/134.38
  6. Step 6: Final answer
    x = 200.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.