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Finding the Fourth Proportional to 222.94, 333.78 and 150.67

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Solution

The fourth proportional to 222.94, 333.78 and 150.67 is: 225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.94 : 333.78 = 150.67 : x
  2. Step 2: Convert to fraction form
    222.94/333.78 = 150.67/x
  3. Step 3: Cross multiply
    222.94x = 333.78 × 150.67
  4. Step 4: Simplify right side
    222.94x = 50,290.63
  5. Step 5: Solve for x
    x = 50,290.63/222.94
  6. Step 6: Final answer
    x = 225.58

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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.