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Finding the Fourth Proportional to 563.68, 844.82 and 198.04

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Solution

The fourth proportional to 563.68, 844.82 and 198.04 is: 296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.68 : 844.82 = 198.04 : x
  2. Step 2: Convert to fraction form
    563.68/844.82 = 198.04/x
  3. Step 3: Cross multiply
    563.68x = 844.82 × 198.04
  4. Step 4: Simplify right side
    563.68x = 167,308.15
  5. Step 5: Solve for x
    x = 167,308.15/563.68
  6. Step 6: Final answer
    x = 296.81

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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.