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Finding the Fourth Proportional to 540.27, 810.61 and 335.14

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Solution

The fourth proportional to 540.27, 810.61 and 335.14 is: 502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.27 : 810.61 = 335.14 : x
  2. Step 2: Convert to fraction form
    540.27/810.61 = 335.14/x
  3. Step 3: Cross multiply
    540.27x = 810.61 × 335.14
  4. Step 4: Simplify right side
    540.27x = 271,664.97
  5. Step 5: Solve for x
    x = 271,664.97/540.27
  6. Step 6: Final answer
    x = 502.83

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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.