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Finding the Fourth Proportional to 265.24, 365.22 and 191.41

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Solution

The fourth proportional to 265.24, 365.22 and 191.41 is: 263.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.24 : 365.22 = 191.41 : x
  2. Step 2: Convert to fraction form
    265.24/365.22 = 191.41/x
  3. Step 3: Cross multiply
    265.24x = 365.22 × 191.41
  4. Step 4: Simplify right side
    265.24x = 69,906.76
  5. Step 5: Solve for x
    x = 69,906.76/265.24
  6. Step 6: Final answer
    x = 263.56

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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.