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Finding the Fourth Proportional to 262.43, 362.18 and 164.24

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Solution

The fourth proportional to 262.43, 362.18 and 164.24 is: 226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.43 : 362.18 = 164.24 : x
  2. Step 2: Convert to fraction form
    262.43/362.18 = 164.24/x
  3. Step 3: Cross multiply
    262.43x = 362.18 × 164.24
  4. Step 4: Simplify right side
    262.43x = 59,481.81
  5. Step 5: Solve for x
    x = 59,481.81/262.43
  6. Step 6: Final answer
    x = 226.66

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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.