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Finding the Fourth Proportional to 224.17, 334.43 and 203.21

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Solution

The fourth proportional to 224.17, 334.43 and 203.21 is: 303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.17 : 334.43 = 203.21 : x
  2. Step 2: Convert to fraction form
    224.17/334.43 = 203.21/x
  3. Step 3: Cross multiply
    224.17x = 334.43 × 203.21
  4. Step 4: Simplify right side
    224.17x = 67,958.85
  5. Step 5: Solve for x
    x = 67,958.85/224.17
  6. Step 6: Final answer
    x = 303.16

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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.