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Finding the Fourth Proportional to 343.20, 473.46 and 244.74

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Solution

The fourth proportional to 343.20, 473.46 and 244.74 is: 337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.20 : 473.46 = 244.74 : x
  2. Step 2: Convert to fraction form
    343.20/473.46 = 244.74/x
  3. Step 3: Cross multiply
    343.20x = 473.46 × 244.74
  4. Step 4: Simplify right side
    343.20x = 115,874.60
  5. Step 5: Solve for x
    x = 115,874.60/343.20
  6. Step 6: Final answer
    x = 337.63

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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.