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Finding the Fourth Proportional to 269.01, 371.28 and 170.82

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Solution

The fourth proportional to 269.01, 371.28 and 170.82 is: 235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.01 : 371.28 = 170.82 : x
  2. Step 2: Convert to fraction form
    269.01/371.28 = 170.82/x
  3. Step 3: Cross multiply
    269.01x = 371.28 × 170.82
  4. Step 4: Simplify right side
    269.01x = 63,422.05
  5. Step 5: Solve for x
    x = 63,422.05/269.01
  6. Step 6: Final answer
    x = 235.76

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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.