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Finding the Fourth Proportional to 224.10, 333.99 and 222.21

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Solution

The fourth proportional to 224.10, 333.99 and 222.21 is: 331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.10 : 333.99 = 222.21 : x
  2. Step 2: Convert to fraction form
    224.10/333.99 = 222.21/x
  3. Step 3: Cross multiply
    224.10x = 333.99 × 222.21
  4. Step 4: Simplify right side
    224.10x = 74,215.92
  5. Step 5: Solve for x
    x = 74,215.92/224.10
  6. Step 6: Final answer
    x = 331.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.