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Finding the Fourth Proportional to 240.86, 362.72 and 224.66

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Solution

The fourth proportional to 240.86, 362.72 and 224.66 is: 338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.86 : 362.72 = 224.66 : x
  2. Step 2: Convert to fraction form
    240.86/362.72 = 224.66/x
  3. Step 3: Cross multiply
    240.86x = 362.72 × 224.66
  4. Step 4: Simplify right side
    240.86x = 81,485.74
  5. Step 5: Solve for x
    x = 81,485.74/240.86
  6. Step 6: Final answer
    x = 338.32

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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.