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Finding the Fourth Proportional to 308.97, 462.56 and 232.25

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Solution

The fourth proportional to 308.97, 462.56 and 232.25 is: 347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.97 : 462.56 = 232.25 : x
  2. Step 2: Convert to fraction form
    308.97/462.56 = 232.25/x
  3. Step 3: Cross multiply
    308.97x = 462.56 × 232.25
  4. Step 4: Simplify right side
    308.97x = 107,426.09
  5. Step 5: Solve for x
    x = 107,426.09/308.97
  6. Step 6: Final answer
    x = 347.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.