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Finding the Fourth Proportional to 269.31, 371.96 and 181.83

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Solution

The fourth proportional to 269.31, 371.96 and 181.83 is: 251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.31 : 371.96 = 181.83 : x
  2. Step 2: Convert to fraction form
    269.31/371.96 = 181.83/x
  3. Step 3: Cross multiply
    269.31x = 371.96 × 181.83
  4. Step 4: Simplify right side
    269.31x = 67,633.49
  5. Step 5: Solve for x
    x = 67,633.49/269.31
  6. Step 6: Final answer
    x = 251.14

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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.