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Finding the Fourth Proportional to 222.82, 333.59 and 150.55

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Solution

The fourth proportional to 222.82, 333.59 and 150.55 is: 225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.82 : 333.59 = 150.55 : x
  2. Step 2: Convert to fraction form
    222.82/333.59 = 150.55/x
  3. Step 3: Cross multiply
    222.82x = 333.59 × 150.55
  4. Step 4: Simplify right side
    222.82x = 50,220.31
  5. Step 5: Solve for x
    x = 50,220.31/222.82
  6. Step 6: Final answer
    x = 225.39

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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.