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Finding the Fourth Proportional to 563.37, 843.66 and 331.67

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Solution

The fourth proportional to 563.37, 843.66 and 331.67 is: 496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.37 : 843.66 = 331.67 : x
  2. Step 2: Convert to fraction form
    563.37/843.66 = 331.67/x
  3. Step 3: Cross multiply
    563.37x = 843.66 × 331.67
  4. Step 4: Simplify right side
    563.37x = 279,812.49
  5. Step 5: Solve for x
    x = 279,812.49/563.37
  6. Step 6: Final answer
    x = 496.68

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Double scale
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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.