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Finding the Fourth Proportional to 481.27, 663.99 and 292.27

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Solution

The fourth proportional to 481.27, 663.99 and 292.27 is: 403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.27 : 663.99 = 292.27 : x
  2. Step 2: Convert to fraction form
    481.27/663.99 = 292.27/x
  3. Step 3: Cross multiply
    481.27x = 663.99 × 292.27
  4. Step 4: Simplify right side
    481.27x = 194,062.85
  5. Step 5: Solve for x
    x = 194,062.85/481.27
  6. Step 6: Final answer
    x = 403.23

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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.