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Finding the Fourth Proportional to 454.38, 681.57 and 362.96

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Solution

The fourth proportional to 454.38, 681.57 and 362.96 is: 544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.38 : 681.57 = 362.96 : x
  2. Step 2: Convert to fraction form
    454.38/681.57 = 362.96/x
  3. Step 3: Cross multiply
    454.38x = 681.57 × 362.96
  4. Step 4: Simplify right side
    454.38x = 247,379.24
  5. Step 5: Solve for x
    x = 247,379.24/454.38
  6. Step 6: Final answer
    x = 544.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.