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Finding the Fourth Proportional to 240.39, 362.12 and 239.18

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Solution

The fourth proportional to 240.39, 362.12 and 239.18 is: 360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.39 : 362.12 = 239.18 : x
  2. Step 2: Convert to fraction form
    240.39/362.12 = 239.18/x
  3. Step 3: Cross multiply
    240.39x = 362.12 × 239.18
  4. Step 4: Simplify right side
    240.39x = 86,608.86
  5. Step 5: Solve for x
    x = 86,608.86/240.39
  6. Step 6: Final answer
    x = 360.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.