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Finding the Fourth Proportional to 237.09, 326.48 and 187.95

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Solution

The fourth proportional to 237.09, 326.48 and 187.95 is: 258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.09 : 326.48 = 187.95 : x
  2. Step 2: Convert to fraction form
    237.09/326.48 = 187.95/x
  3. Step 3: Cross multiply
    237.09x = 326.48 × 187.95
  4. Step 4: Simplify right side
    237.09x = 61,360.98
  5. Step 5: Solve for x
    x = 61,360.98/237.09
  6. Step 6: Final answer
    x = 258.81

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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.