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Finding the Fourth Proportional to 249.03, 341.19 and 245.61

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Solution

The fourth proportional to 249.03, 341.19 and 245.61 is: 336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.03 : 341.19 = 245.61 : x
  2. Step 2: Convert to fraction form
    249.03/341.19 = 245.61/x
  3. Step 3: Cross multiply
    249.03x = 341.19 × 245.61
  4. Step 4: Simplify right side
    249.03x = 83,799.68
  5. Step 5: Solve for x
    x = 83,799.68/249.03
  6. Step 6: Final answer
    x = 336.50

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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.