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Finding the Fourth Proportional to 226.37, 339.01 and 157.67

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Solution

The fourth proportional to 226.37, 339.01 and 157.67 is: 236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.37 : 339.01 = 157.67 : x
  2. Step 2: Convert to fraction form
    226.37/339.01 = 157.67/x
  3. Step 3: Cross multiply
    226.37x = 339.01 × 157.67
  4. Step 4: Simplify right side
    226.37x = 53,452.29
  5. Step 5: Solve for x
    x = 53,452.29/226.37
  6. Step 6: Final answer
    x = 236.13

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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.