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Finding the Fourth Proportional to 158.73, 237.89 and 132.62

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Solution

The fourth proportional to 158.73, 237.89 and 132.62 is: 198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.73 : 237.89 = 132.62 : x
  2. Step 2: Convert to fraction form
    158.73/237.89 = 132.62/x
  3. Step 3: Cross multiply
    158.73x = 237.89 × 132.62
  4. Step 4: Simplify right side
    158.73x = 31,547.12
  5. Step 5: Solve for x
    x = 31,547.12/158.73
  6. Step 6: Final answer
    x = 198.75

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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.