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Finding the Fourth Proportional to 222.44, 333.32 and 150.21

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Solution

The fourth proportional to 222.44, 333.32 and 150.21 is: 225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.44 : 333.32 = 150.21 : x
  2. Step 2: Convert to fraction form
    222.44/333.32 = 150.21/x
  3. Step 3: Cross multiply
    222.44x = 333.32 × 150.21
  4. Step 4: Simplify right side
    222.44x = 50,067.25
  5. Step 5: Solve for x
    x = 50,067.25/222.44
  6. Step 6: Final answer
    x = 225.09

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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.