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Finding the Fourth Proportional to 247.24, 341.22 and 164.22

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Solution

The fourth proportional to 247.24, 341.22 and 164.22 is: 226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.24 : 341.22 = 164.22 : x
  2. Step 2: Convert to fraction form
    247.24/341.22 = 164.22/x
  3. Step 3: Cross multiply
    247.24x = 341.22 × 164.22
  4. Step 4: Simplify right side
    247.24x = 56,035.15
  5. Step 5: Solve for x
    x = 56,035.15/247.24
  6. Step 6: Final answer
    x = 226.64

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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.