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Finding the Fourth Proportional to 324.62, 447.98 and 177.25

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Solution

The fourth proportional to 324.62, 447.98 and 177.25 is: 244.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.62 : 447.98 = 177.25 : x
  2. Step 2: Convert to fraction form
    324.62/447.98 = 177.25/x
  3. Step 3: Cross multiply
    324.62x = 447.98 × 177.25
  4. Step 4: Simplify right side
    324.62x = 79,404.46
  5. Step 5: Solve for x
    x = 79,404.46/324.62
  6. Step 6: Final answer
    x = 244.61

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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.