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Finding the Fourth Proportional to 237.77, 328.43 and 163.96

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Solution

The fourth proportional to 237.77, 328.43 and 163.96 is: 226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.77 : 328.43 = 163.96 : x
  2. Step 2: Convert to fraction form
    237.77/328.43 = 163.96/x
  3. Step 3: Cross multiply
    237.77x = 328.43 × 163.96
  4. Step 4: Simplify right side
    237.77x = 53,849.38
  5. Step 5: Solve for x
    x = 53,849.38/237.77
  6. Step 6: Final answer
    x = 226.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.