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Finding the Fourth Proportional to 266.52, 399.81 and 150.96

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Solution

The fourth proportional to 266.52, 399.81 and 150.96 is: 226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.52 : 399.81 = 150.96 : x
  2. Step 2: Convert to fraction form
    266.52/399.81 = 150.96/x
  3. Step 3: Cross multiply
    266.52x = 399.81 × 150.96
  4. Step 4: Simplify right side
    266.52x = 60,355.32
  5. Step 5: Solve for x
    x = 60,355.32/266.52
  6. Step 6: Final answer
    x = 226.46

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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.