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Finding the Fourth Proportional to 263.73, 397.25 and 247.53

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Solution

The fourth proportional to 263.73, 397.25 and 247.53 is: 372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.73 : 397.25 = 247.53 : x
  2. Step 2: Convert to fraction form
    263.73/397.25 = 247.53/x
  3. Step 3: Cross multiply
    263.73x = 397.25 × 247.53
  4. Step 4: Simplify right side
    263.73x = 98,331.91
  5. Step 5: Solve for x
    x = 98,331.91/263.73
  6. Step 6: Final answer
    x = 372.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.