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Finding the Fourth Proportional to 322.73, 444.60 and 248.60

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Solution

The fourth proportional to 322.73, 444.60 and 248.60 is: 342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.73 : 444.60 = 248.60 : x
  2. Step 2: Convert to fraction form
    322.73/444.60 = 248.60/x
  3. Step 3: Cross multiply
    322.73x = 444.60 × 248.60
  4. Step 4: Simplify right side
    322.73x = 110,527.56
  5. Step 5: Solve for x
    x = 110,527.56/322.73
  6. Step 6: Final answer
    x = 342.48

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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.