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Finding the Fourth Proportional to 213.70, 295.03 and 163.52

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Solution

The fourth proportional to 213.70, 295.03 and 163.52 is: 225.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213.70 : 295.03 = 163.52 : x
  2. Step 2: Convert to fraction form
    213.70/295.03 = 163.52/x
  3. Step 3: Cross multiply
    213.70x = 295.03 × 163.52
  4. Step 4: Simplify right side
    213.70x = 48,243.31
  5. Step 5: Solve for x
    x = 48,243.31/213.70
  6. Step 6: Final answer
    x = 225.75

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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.