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Finding the Fourth Proportional to 263.12, 363.08 and 164.86

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Solution

The fourth proportional to 263.12, 363.08 and 164.86 is: 227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.12 : 363.08 = 164.86 : x
  2. Step 2: Convert to fraction form
    263.12/363.08 = 164.86/x
  3. Step 3: Cross multiply
    263.12x = 363.08 × 164.86
  4. Step 4: Simplify right side
    263.12x = 59,857.37
  5. Step 5: Solve for x
    x = 59,857.37/263.12
  6. Step 6: Final answer
    x = 227.49

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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.