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Finding the Fourth Proportional to 324.96, 448.82 and 252.17

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Solution

The fourth proportional to 324.96, 448.82 and 252.17 is: 348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.96 : 448.82 = 252.17 : x
  2. Step 2: Convert to fraction form
    324.96/448.82 = 252.17/x
  3. Step 3: Cross multiply
    324.96x = 448.82 × 252.17
  4. Step 4: Simplify right side
    324.96x = 113,175.43
  5. Step 5: Solve for x
    x = 113,175.43/324.96
  6. Step 6: Final answer
    x = 348.27

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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.