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Finding the Fourth Proportional to 275.97, 414.12 and 167.52

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Solution

The fourth proportional to 275.97, 414.12 and 167.52 is: 251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.97 : 414.12 = 167.52 : x
  2. Step 2: Convert to fraction form
    275.97/414.12 = 167.52/x
  3. Step 3: Cross multiply
    275.97x = 414.12 × 167.52
  4. Step 4: Simplify right side
    275.97x = 69,373.38
  5. Step 5: Solve for x
    x = 69,373.38/275.97
  6. Step 6: Final answer
    x = 251.38

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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.