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Finding the Fourth Proportional to 275.62, 379.24 and 240.52

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Solution

The fourth proportional to 275.62, 379.24 and 240.52 is: 330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.62 : 379.24 = 240.52 : x
  2. Step 2: Convert to fraction form
    275.62/379.24 = 240.52/x
  3. Step 3: Cross multiply
    275.62x = 379.24 × 240.52
  4. Step 4: Simplify right side
    275.62x = 91,214.80
  5. Step 5: Solve for x
    x = 91,214.80/275.62
  6. Step 6: Final answer
    x = 330.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.