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Finding the Fourth Proportional to 362.21, 543.02 and 224.96

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Solution

The fourth proportional to 362.21, 543.02 and 224.96 is: 337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.21 : 543.02 = 224.96 : x
  2. Step 2: Convert to fraction form
    362.21/543.02 = 224.96/x
  3. Step 3: Cross multiply
    362.21x = 543.02 × 224.96
  4. Step 4: Simplify right side
    362.21x = 122,153.94
  5. Step 5: Solve for x
    x = 122,153.94/362.21
  6. Step 6: Final answer
    x = 337.25

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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.