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Finding the Fourth Proportional to 343.70, 471.09 and 341.30

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Solution

The fourth proportional to 343.70, 471.09 and 341.30 is: 467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.70 : 471.09 = 341.30 : x
  2. Step 2: Convert to fraction form
    343.70/471.09 = 341.30/x
  3. Step 3: Cross multiply
    343.70x = 471.09 × 341.30
  4. Step 4: Simplify right side
    343.70x = 160,781.31
  5. Step 5: Solve for x
    x = 160,781.31/343.70
  6. Step 6: Final answer
    x = 467.80

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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.