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Finding the Fourth Proportional to 263.31, 363.06 and 164.94

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Solution

The fourth proportional to 263.31, 363.06 and 164.94 is: 227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.31 : 363.06 = 164.94 : x
  2. Step 2: Convert to fraction form
    263.31/363.06 = 164.94/x
  3. Step 3: Cross multiply
    263.31x = 363.06 × 164.94
  4. Step 4: Simplify right side
    263.31x = 59,883.12
  5. Step 5: Solve for x
    x = 59,883.12/263.31
  6. Step 6: Final answer
    x = 227.42

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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.