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Finding the Fourth Proportional to 563.27, 844.74 and 216.47

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Solution

The fourth proportional to 563.27, 844.74 and 216.47 is: 324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.27 : 844.74 = 216.47 : x
  2. Step 2: Convert to fraction form
    563.27/844.74 = 216.47/x
  3. Step 3: Cross multiply
    563.27x = 844.74 × 216.47
  4. Step 4: Simplify right side
    563.27x = 182,856.64
  5. Step 5: Solve for x
    x = 182,856.64/563.27
  6. Step 6: Final answer
    x = 324.64

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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.