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Finding the Fourth Proportional to 563.05, 844.74 and 197.87

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Solution

The fourth proportional to 563.05, 844.74 and 197.87 is: 296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.05 : 844.74 = 197.87 : x
  2. Step 2: Convert to fraction form
    563.05/844.74 = 197.87/x
  3. Step 3: Cross multiply
    563.05x = 844.74 × 197.87
  4. Step 4: Simplify right side
    563.05x = 167,148.70
  5. Step 5: Solve for x
    x = 167,148.70/563.05
  6. Step 6: Final answer
    x = 296.86

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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.