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Finding the Fourth Proportional to 237.45, 327.66 and 133.95

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Solution

The fourth proportional to 237.45, 327.66 and 133.95 is: 184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.45 : 327.66 = 133.95 : x
  2. Step 2: Convert to fraction form
    237.45/327.66 = 133.95/x
  3. Step 3: Cross multiply
    237.45x = 327.66 × 133.95
  4. Step 4: Simplify right side
    237.45x = 43,890.06
  5. Step 5: Solve for x
    x = 43,890.06/237.45
  6. Step 6: Final answer
    x = 184.84

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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.