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Finding the Fourth Proportional to 181.47, 252.17 and 179.18

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Solution

The fourth proportional to 181.47, 252.17 and 179.18 is: 248.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.47 : 252.17 = 179.18 : x
  2. Step 2: Convert to fraction form
    181.47/252.17 = 179.18/x
  3. Step 3: Cross multiply
    181.47x = 252.17 × 179.18
  4. Step 4: Simplify right side
    181.47x = 45,181.66
  5. Step 5: Solve for x
    x = 45,181.66/181.47
  6. Step 6: Final answer
    x = 248.98

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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.