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Finding the Third Proportional to 341 and 408.50

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Solution

The third proportional to 341 and 408.50 is: 489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    341 : 408.50 = 408.50 : x
  2. Step 2: Convert to fraction form
    341/408.50 = 408.50/x
  3. Step 3: Cross multiply
    341x = 408.50 × 408.50
  4. Step 4: Simplify right side
    341x = 166,872.25
  5. Step 5: Solve for x
    x = 166,872.25/341
  6. Step 6: Final answer
    x = 489.36

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.