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Finding the Fourth Proportional to 236.52, 325.62 and 219.11

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Solution

The fourth proportional to 236.52, 325.62 and 219.11 is: 301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.52 : 325.62 = 219.11 : x
  2. Step 2: Convert to fraction form
    236.52/325.62 = 219.11/x
  3. Step 3: Cross multiply
    236.52x = 325.62 × 219.11
  4. Step 4: Simplify right side
    236.52x = 71,344.97
  5. Step 5: Solve for x
    x = 71,344.97/236.52
  6. Step 6: Final answer
    x = 301.64

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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.