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Finding the Fourth Proportional to 324.42, 447.71 and 184.53

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Solution

The fourth proportional to 324.42, 447.71 and 184.53 is: 254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.42 : 447.71 = 184.53 : x
  2. Step 2: Convert to fraction form
    324.42/447.71 = 184.53/x
  3. Step 3: Cross multiply
    324.42x = 447.71 × 184.53
  4. Step 4: Simplify right side
    324.42x = 82,615.93
  5. Step 5: Solve for x
    x = 82,615.93/324.42
  6. Step 6: Final answer
    x = 254.66

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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.