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Finding the Fourth Proportional to 222.84, 334.14 and 149.94

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Solution

The fourth proportional to 222.84, 334.14 and 149.94 is: 224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.84 : 334.14 = 149.94 : x
  2. Step 2: Convert to fraction form
    222.84/334.14 = 149.94/x
  3. Step 3: Cross multiply
    222.84x = 334.14 × 149.94
  4. Step 4: Simplify right side
    222.84x = 50,100.95
  5. Step 5: Solve for x
    x = 50,100.95/222.84
  6. Step 6: Final answer
    x = 224.83

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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.