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Finding the Fourth Proportional to 181.38, 251.33 and 179.04

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Solution

The fourth proportional to 181.38, 251.33 and 179.04 is: 248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.38 : 251.33 = 179.04 : x
  2. Step 2: Convert to fraction form
    181.38/251.33 = 179.04/x
  3. Step 3: Cross multiply
    181.38x = 251.33 × 179.04
  4. Step 4: Simplify right side
    181.38x = 44,997.23
  5. Step 5: Solve for x
    x = 44,997.23/181.38
  6. Step 6: Final answer
    x = 248.08

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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.