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Finding the Fourth Proportional to 236.37, 326.25 and 158.88

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Solution

The fourth proportional to 236.37, 326.25 and 158.88 is: 219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.37 : 326.25 = 158.88 : x
  2. Step 2: Convert to fraction form
    236.37/326.25 = 158.88/x
  3. Step 3: Cross multiply
    236.37x = 326.25 × 158.88
  4. Step 4: Simplify right side
    236.37x = 51,834.60
  5. Step 5: Solve for x
    x = 51,834.60/236.37
  6. Step 6: Final answer
    x = 219.29

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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.