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Finding the Fourth Proportional to 453.62, 681.06 and 372.22

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Solution

The fourth proportional to 453.62, 681.06 and 372.22 is: 558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.62 : 681.06 = 372.22 : x
  2. Step 2: Convert to fraction form
    453.62/681.06 = 372.22/x
  3. Step 3: Cross multiply
    453.62x = 681.06 × 372.22
  4. Step 4: Simplify right side
    453.62x = 253,504.15
  5. Step 5: Solve for x
    x = 253,504.15/453.62
  6. Step 6: Final answer
    x = 558.85

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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.