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Finding the Fourth Proportional to 251.01, 346.22 and 167.97

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Solution

The fourth proportional to 251.01, 346.22 and 167.97 is: 231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.01 : 346.22 = 167.97 : x
  2. Step 2: Convert to fraction form
    251.01/346.22 = 167.97/x
  3. Step 3: Cross multiply
    251.01x = 346.22 × 167.97
  4. Step 4: Simplify right side
    251.01x = 58,155.54
  5. Step 5: Solve for x
    x = 58,155.54/251.01
  6. Step 6: Final answer
    x = 231.68

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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.