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Finding the Fourth Proportional to 540.68, 811.56 and 364.97

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Solution

The fourth proportional to 540.68, 811.56 and 364.97 is: 547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.68 : 811.56 = 364.97 : x
  2. Step 2: Convert to fraction form
    540.68/811.56 = 364.97/x
  3. Step 3: Cross multiply
    540.68x = 811.56 × 364.97
  4. Step 4: Simplify right side
    540.68x = 296,191.00
  5. Step 5: Solve for x
    x = 296,191.00/540.68
  6. Step 6: Final answer
    x = 547.82

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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.