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Finding the Fourth Proportional to 222.19, 333.42 and 93.94

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Solution

The fourth proportional to 222.19, 333.42 and 93.94 is: 140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.19 : 333.42 = 93.94 : x
  2. Step 2: Convert to fraction form
    222.19/333.42 = 93.94/x
  3. Step 3: Cross multiply
    222.19x = 333.42 × 93.94
  4. Step 4: Simplify right side
    222.19x = 31,320.29
  5. Step 5: Solve for x
    x = 31,320.29/222.19
  6. Step 6: Final answer
    x = 140.96

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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.