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Finding the Fourth Proportional to 452.11, 681.24 and 372.73

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Solution

The fourth proportional to 452.11, 681.24 and 372.73 is: 561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.11 : 681.24 = 372.73 : x
  2. Step 2: Convert to fraction form
    452.11/681.24 = 372.73/x
  3. Step 3: Cross multiply
    452.11x = 681.24 × 372.73
  4. Step 4: Simplify right side
    452.11x = 253,919.52
  5. Step 5: Solve for x
    x = 253,919.52/452.11
  6. Step 6: Final answer
    x = 561.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.