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Finding the Fourth Proportional to 568.03, 851.96 and 221.52

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Solution

The fourth proportional to 568.03, 851.96 and 221.52 is: 332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.03 : 851.96 = 221.52 : x
  2. Step 2: Convert to fraction form
    568.03/851.96 = 221.52/x
  3. Step 3: Cross multiply
    568.03x = 851.96 × 221.52
  4. Step 4: Simplify right side
    568.03x = 188,726.18
  5. Step 5: Solve for x
    x = 188,726.18/568.03
  6. Step 6: Final answer
    x = 332.25

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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.