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Finding the Fourth Proportional to 343.97, 513.28 and 335.73

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Solution

The fourth proportional to 343.97, 513.28 and 335.73 is: 500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.97 : 513.28 = 335.73 : x
  2. Step 2: Convert to fraction form
    343.97/513.28 = 335.73/x
  3. Step 3: Cross multiply
    343.97x = 513.28 × 335.73
  4. Step 4: Simplify right side
    343.97x = 172,323.49
  5. Step 5: Solve for x
    x = 172,323.49/343.97
  6. Step 6: Final answer
    x = 500.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.