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Finding the Fourth Proportional to 324.58, 447.24 and 241.66

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Solution

The fourth proportional to 324.58, 447.24 and 241.66 is: 332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.58 : 447.24 = 241.66 : x
  2. Step 2: Convert to fraction form
    324.58/447.24 = 241.66/x
  3. Step 3: Cross multiply
    324.58x = 447.24 × 241.66
  4. Step 4: Simplify right side
    324.58x = 108,080.02
  5. Step 5: Solve for x
    x = 108,080.02/324.58
  6. Step 6: Final answer
    x = 332.98

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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.