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Finding the Fourth Proportional to 539.11, 807.10 and 333.06

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Solution

The fourth proportional to 539.11, 807.10 and 333.06 is: 498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.11 : 807.10 = 333.06 : x
  2. Step 2: Convert to fraction form
    539.11/807.10 = 333.06/x
  3. Step 3: Cross multiply
    539.11x = 807.10 × 333.06
  4. Step 4: Simplify right side
    539.11x = 268,812.73
  5. Step 5: Solve for x
    x = 268,812.73/539.11
  6. Step 6: Final answer
    x = 498.62

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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.