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Finding the Fourth Proportional to 297.52, 445.94 and 124.13

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Solution

The fourth proportional to 297.52, 445.94 and 124.13 is: 186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.52 : 445.94 = 124.13 : x
  2. Step 2: Convert to fraction form
    297.52/445.94 = 124.13/x
  3. Step 3: Cross multiply
    297.52x = 445.94 × 124.13
  4. Step 4: Simplify right side
    297.52x = 55,353.68
  5. Step 5: Solve for x
    x = 55,353.68/297.52
  6. Step 6: Final answer
    x = 186.05

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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.