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Finding the Fourth Proportional to 171.95, 237.01 and 136.92

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Solution

The fourth proportional to 171.95, 237.01 and 136.92 is: 188.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.95 : 237.01 = 136.92 : x
  2. Step 2: Convert to fraction form
    171.95/237.01 = 136.92/x
  3. Step 3: Cross multiply
    171.95x = 237.01 × 136.92
  4. Step 4: Simplify right side
    171.95x = 32,451.41
  5. Step 5: Solve for x
    x = 32,451.41/171.95
  6. Step 6: Final answer
    x = 188.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.