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Finding the Fourth Proportional to 248.97, 341.15 and 245.33

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Solution

The fourth proportional to 248.97, 341.15 and 245.33 is: 336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.97 : 341.15 = 245.33 : x
  2. Step 2: Convert to fraction form
    248.97/341.15 = 245.33/x
  3. Step 3: Cross multiply
    248.97x = 341.15 × 245.33
  4. Step 4: Simplify right side
    248.97x = 83,692.68
  5. Step 5: Solve for x
    x = 83,692.68/248.97
  6. Step 6: Final answer
    x = 336.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.