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Finding the Fourth Proportional to 269.66, 372.43 and 182.18

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Solution

The fourth proportional to 269.66, 372.43 and 182.18 is: 251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.66 : 372.43 = 182.18 : x
  2. Step 2: Convert to fraction form
    269.66/372.43 = 182.18/x
  3. Step 3: Cross multiply
    269.66x = 372.43 × 182.18
  4. Step 4: Simplify right side
    269.66x = 67,847.44
  5. Step 5: Solve for x
    x = 67,847.44/269.66
  6. Step 6: Final answer
    x = 251.61

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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.