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Finding the Fourth Proportional to 540.68, 810.96 and 232.48

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Solution

The fourth proportional to 540.68, 810.96 and 232.48 is: 348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.68 : 810.96 = 232.48 : x
  2. Step 2: Convert to fraction form
    540.68/810.96 = 232.48/x
  3. Step 3: Cross multiply
    540.68x = 810.96 × 232.48
  4. Step 4: Simplify right side
    540.68x = 188,531.98
  5. Step 5: Solve for x
    x = 188,531.98/540.68
  6. Step 6: Final answer
    x = 348.69

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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.