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Finding the Fourth Proportional to 376.10, 563.46 and 222.11

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Solution

The fourth proportional to 376.10, 563.46 and 222.11 is: 332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.10 : 563.46 = 222.11 : x
  2. Step 2: Convert to fraction form
    376.10/563.46 = 222.11/x
  3. Step 3: Cross multiply
    376.10x = 563.46 × 222.11
  4. Step 4: Simplify right side
    376.10x = 125,150.10
  5. Step 5: Solve for x
    x = 125,150.10/376.10
  6. Step 6: Final answer
    x = 332.76

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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.