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Finding the Fourth Proportional to 171.11, 237.09 and 167.47

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Solution

The fourth proportional to 171.11, 237.09 and 167.47 is: 232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.11 : 237.09 = 167.47 : x
  2. Step 2: Convert to fraction form
    171.11/237.09 = 167.47/x
  3. Step 3: Cross multiply
    171.11x = 237.09 × 167.47
  4. Step 4: Simplify right side
    171.11x = 39,705.50
  5. Step 5: Solve for x
    x = 39,705.50/171.11
  6. Step 6: Final answer
    x = 232.04

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.