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Finding the Fourth Proportional to 563.15, 844.58 and 216.50

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Solution

The fourth proportional to 563.15, 844.58 and 216.50 is: 324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.15 : 844.58 = 216.50 : x
  2. Step 2: Convert to fraction form
    563.15/844.58 = 216.50/x
  3. Step 3: Cross multiply
    563.15x = 844.58 × 216.50
  4. Step 4: Simplify right side
    563.15x = 182,849.05
  5. Step 5: Solve for x
    x = 182,849.05/563.15
  6. Step 6: Final answer
    x = 324.69

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Double scale
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Similar ratio
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1.5x scale

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.