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Finding the Fourth Proportional to 372.17, 557.99 and 163.83

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Solution

The fourth proportional to 372.17, 557.99 and 163.83 is: 245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.17 : 557.99 = 163.83 : x
  2. Step 2: Convert to fraction form
    372.17/557.99 = 163.83/x
  3. Step 3: Cross multiply
    372.17x = 557.99 × 163.83
  4. Step 4: Simplify right side
    372.17x = 91,414.68
  5. Step 5: Solve for x
    x = 91,414.68/372.17
  6. Step 6: Final answer
    x = 245.63

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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.