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Finding the Fourth Proportional to 264.92, 365.22 and 261.27

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Solution

The fourth proportional to 264.92, 365.22 and 261.27 is: 360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.92 : 365.22 = 261.27 : x
  2. Step 2: Convert to fraction form
    264.92/365.22 = 261.27/x
  3. Step 3: Cross multiply
    264.92x = 365.22 × 261.27
  4. Step 4: Simplify right side
    264.92x = 95,421.03
  5. Step 5: Solve for x
    x = 95,421.03/264.92
  6. Step 6: Final answer
    x = 360.19

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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.