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Finding the Fourth Proportional to 252.33, 349.70 and 248.49

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Solution

The fourth proportional to 252.33, 349.70 and 248.49 is: 344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.33 : 349.70 = 248.49 : x
  2. Step 2: Convert to fraction form
    252.33/349.70 = 248.49/x
  3. Step 3: Cross multiply
    252.33x = 349.70 × 248.49
  4. Step 4: Simplify right side
    252.33x = 86,896.95
  5. Step 5: Solve for x
    x = 86,896.95/252.33
  6. Step 6: Final answer
    x = 344.38

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.