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Finding the Fourth Proportional to 453.92, 681.22 and 332.49

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Solution

The fourth proportional to 453.92, 681.22 and 332.49 is: 498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.92 : 681.22 = 332.49 : x
  2. Step 2: Convert to fraction form
    453.92/681.22 = 332.49/x
  3. Step 3: Cross multiply
    453.92x = 681.22 × 332.49
  4. Step 4: Simplify right side
    453.92x = 226,498.84
  5. Step 5: Solve for x
    x = 226,498.84/453.92
  6. Step 6: Final answer
    x = 498.98

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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.