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Finding the Fourth Proportional to 568.08, 851.04 and 242.88

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Solution

The fourth proportional to 568.08, 851.04 and 242.88 is: 363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.08 : 851.04 = 242.88 : x
  2. Step 2: Convert to fraction form
    568.08/851.04 = 242.88/x
  3. Step 3: Cross multiply
    568.08x = 851.04 × 242.88
  4. Step 4: Simplify right side
    568.08x = 206,700.60
  5. Step 5: Solve for x
    x = 206,700.60/568.08
  6. Step 6: Final answer
    x = 363.86

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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.