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Finding the Fourth Proportional to 248.80, 343.56 and 182.79

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Solution

The fourth proportional to 248.80, 343.56 and 182.79 is: 252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.80 : 343.56 = 182.79 : x
  2. Step 2: Convert to fraction form
    248.80/343.56 = 182.79/x
  3. Step 3: Cross multiply
    248.80x = 343.56 × 182.79
  4. Step 4: Simplify right side
    248.80x = 62,799.33
  5. Step 5: Solve for x
    x = 62,799.33/248.80
  6. Step 6: Final answer
    x = 252.41

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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.