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Finding the Fourth Proportional to 225.36, 338.10 and 95.34

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Solution

The fourth proportional to 225.36, 338.10 and 95.34 is: 143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.36 : 338.10 = 95.34 : x
  2. Step 2: Convert to fraction form
    225.36/338.10 = 95.34/x
  3. Step 3: Cross multiply
    225.36x = 338.10 × 95.34
  4. Step 4: Simplify right side
    225.36x = 32,234.45
  5. Step 5: Solve for x
    x = 32,234.45/225.36
  6. Step 6: Final answer
    x = 143.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.