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Finding the Fourth Proportional to 356.14, 534.48 and 336.97

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Solution

The fourth proportional to 356.14, 534.48 and 336.97 is: 505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.14 : 534.48 = 336.97 : x
  2. Step 2: Convert to fraction form
    356.14/534.48 = 336.97/x
  3. Step 3: Cross multiply
    356.14x = 534.48 × 336.97
  4. Step 4: Simplify right side
    356.14x = 180,103.73
  5. Step 5: Solve for x
    x = 180,103.73/356.14
  6. Step 6: Final answer
    x = 505.71

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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.