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Finding the Fourth Proportional to 236.88, 326.93 and 190.44

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Solution

The fourth proportional to 236.88, 326.93 and 190.44 is: 262.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.88 : 326.93 = 190.44 : x
  2. Step 2: Convert to fraction form
    236.88/326.93 = 190.44/x
  3. Step 3: Cross multiply
    236.88x = 326.93 × 190.44
  4. Step 4: Simplify right side
    236.88x = 62,259.60
  5. Step 5: Solve for x
    x = 62,259.60/236.88
  6. Step 6: Final answer
    x = 262.83

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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.