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Finding the Fourth Proportional to 269.33, 373.37 and 255.47

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Solution

The fourth proportional to 269.33, 373.37 and 255.47 is: 354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.33 : 373.37 = 255.47 : x
  2. Step 2: Convert to fraction form
    269.33/373.37 = 255.47/x
  3. Step 3: Cross multiply
    269.33x = 373.37 × 255.47
  4. Step 4: Simplify right side
    269.33x = 95,381.69
  5. Step 5: Solve for x
    x = 95,381.69/269.33
  6. Step 6: Final answer
    x = 354.15

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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.