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Finding the Fourth Proportional to 269.74, 371.94 and 182.26

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Solution

The fourth proportional to 269.74, 371.94 and 182.26 is: 251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.74 : 371.94 = 182.26 : x
  2. Step 2: Convert to fraction form
    269.74/371.94 = 182.26/x
  3. Step 3: Cross multiply
    269.74x = 371.94 × 182.26
  4. Step 4: Simplify right side
    269.74x = 67,787.92
  5. Step 5: Solve for x
    x = 67,787.92/269.74
  6. Step 6: Final answer
    x = 251.31

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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.