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Finding the Fourth Proportional to 265.95, 367.11 and 167.85

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Solution

The fourth proportional to 265.95, 367.11 and 167.85 is: 231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.95 : 367.11 = 167.85 : x
  2. Step 2: Convert to fraction form
    265.95/367.11 = 167.85/x
  3. Step 3: Cross multiply
    265.95x = 367.11 × 167.85
  4. Step 4: Simplify right side
    265.95x = 61,619.41
  5. Step 5: Solve for x
    x = 61,619.41/265.95
  6. Step 6: Final answer
    x = 231.70

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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.