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Finding the Fourth Proportional to 249.54, 373.63 and 162.61

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Solution

The fourth proportional to 249.54, 373.63 and 162.61 is: 243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.54 : 373.63 = 162.61 : x
  2. Step 2: Convert to fraction form
    249.54/373.63 = 162.61/x
  3. Step 3: Cross multiply
    249.54x = 373.63 × 162.61
  4. Step 4: Simplify right side
    249.54x = 60,755.97
  5. Step 5: Solve for x
    x = 60,755.97/249.54
  6. Step 6: Final answer
    x = 243.47

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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.