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Finding the Fourth Proportional to 395.46, 594.18 and 344.43

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Solution

The fourth proportional to 395.46, 594.18 and 344.43 is: 517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.46 : 594.18 = 344.43 : x
  2. Step 2: Convert to fraction form
    395.46/594.18 = 344.43/x
  3. Step 3: Cross multiply
    395.46x = 594.18 × 344.43
  4. Step 4: Simplify right side
    395.46x = 204,653.42
  5. Step 5: Solve for x
    x = 204,653.42/395.46
  6. Step 6: Final answer
    x = 517.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.