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Finding the Fourth Proportional to 539.92, 810.11 and 296.41

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Solution

The fourth proportional to 539.92, 810.11 and 296.41 is: 444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.92 : 810.11 = 296.41 : x
  2. Step 2: Convert to fraction form
    539.92/810.11 = 296.41/x
  3. Step 3: Cross multiply
    539.92x = 810.11 × 296.41
  4. Step 4: Simplify right side
    539.92x = 240,124.71
  5. Step 5: Solve for x
    x = 240,124.71/539.92
  6. Step 6: Final answer
    x = 444.74

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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.