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Finding the Fourth Proportional to 562.02, 843.12 and 196.82

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Solution

The fourth proportional to 562.02, 843.12 and 196.82 is: 295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.02 : 843.12 = 196.82 : x
  2. Step 2: Convert to fraction form
    562.02/843.12 = 196.82/x
  3. Step 3: Cross multiply
    562.02x = 843.12 × 196.82
  4. Step 4: Simplify right side
    562.02x = 165,942.88
  5. Step 5: Solve for x
    x = 165,942.88/562.02
  6. Step 6: Final answer
    x = 295.26

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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.