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Finding the Fourth Proportional to 240.90, 332.82 and 204.46

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Solution

The fourth proportional to 240.90, 332.82 and 204.46 is: 282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.90 : 332.82 = 204.46 : x
  2. Step 2: Convert to fraction form
    240.90/332.82 = 204.46/x
  3. Step 3: Cross multiply
    240.90x = 332.82 × 204.46
  4. Step 4: Simplify right side
    240.90x = 68,048.38
  5. Step 5: Solve for x
    x = 68,048.38/240.90
  6. Step 6: Final answer
    x = 282.48

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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.