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Finding the Fourth Proportional to 445.92, 614.09 and 436.38

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Solution

The fourth proportional to 445.92, 614.09 and 436.38 is: 600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.92 : 614.09 = 436.38 : x
  2. Step 2: Convert to fraction form
    445.92/614.09 = 436.38/x
  3. Step 3: Cross multiply
    445.92x = 614.09 × 436.38
  4. Step 4: Simplify right side
    445.92x = 267,974.41
  5. Step 5: Solve for x
    x = 267,974.41/445.92
  6. Step 6: Final answer
    x = 600.95

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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.