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Finding the Fourth Proportional to 158.82, 237.02 and 134.43

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Solution

The fourth proportional to 158.82, 237.02 and 134.43 is: 200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.82 : 237.02 = 134.43 : x
  2. Step 2: Convert to fraction form
    158.82/237.02 = 134.43/x
  3. Step 3: Cross multiply
    158.82x = 237.02 × 134.43
  4. Step 4: Simplify right side
    158.82x = 31,862.60
  5. Step 5: Solve for x
    x = 31,862.60/158.82
  6. Step 6: Final answer
    x = 200.62

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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.