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Finding the Fourth Proportional to 568.71, 851.99 and 336.92

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Solution

The fourth proportional to 568.71, 851.99 and 336.92 is: 504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.71 : 851.99 = 336.92 : x
  2. Step 2: Convert to fraction form
    568.71/851.99 = 336.92/x
  3. Step 3: Cross multiply
    568.71x = 851.99 × 336.92
  4. Step 4: Simplify right side
    568.71x = 287,049.05
  5. Step 5: Solve for x
    x = 287,049.05/568.71
  6. Step 6: Final answer
    x = 504.74

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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.