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Finding the Fourth Proportional to 348.73, 481.23 and 250.66

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Solution

The fourth proportional to 348.73, 481.23 and 250.66 is: 345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.73 : 481.23 = 250.66 : x
  2. Step 2: Convert to fraction form
    348.73/481.23 = 250.66/x
  3. Step 3: Cross multiply
    348.73x = 481.23 × 250.66
  4. Step 4: Simplify right side
    348.73x = 120,625.11
  5. Step 5: Solve for x
    x = 120,625.11/348.73
  6. Step 6: Final answer
    x = 345.90

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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.