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Finding the Fourth Proportional to 266.14, 399.49 and 150.67

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Solution

The fourth proportional to 266.14, 399.49 and 150.67 is: 226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.14 : 399.49 = 150.67 : x
  2. Step 2: Convert to fraction form
    266.14/399.49 = 150.67/x
  3. Step 3: Cross multiply
    266.14x = 399.49 × 150.67
  4. Step 4: Simplify right side
    266.14x = 60,191.16
  5. Step 5: Solve for x
    x = 60,191.16/266.14
  6. Step 6: Final answer
    x = 226.16

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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.