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Finding the Fourth Proportional to 236.67, 326.41 and 187.46

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Solution

The fourth proportional to 236.67, 326.41 and 187.46 is: 258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.67 : 326.41 = 187.46 : x
  2. Step 2: Convert to fraction form
    236.67/326.41 = 187.46/x
  3. Step 3: Cross multiply
    236.67x = 326.41 × 187.46
  4. Step 4: Simplify right side
    236.67x = 61,188.82
  5. Step 5: Solve for x
    x = 61,188.82/236.67
  6. Step 6: Final answer
    x = 258.54

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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.