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Finding the Fourth Proportional to 237.46, 327.58 and 144.20

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Solution

The fourth proportional to 237.46, 327.58 and 144.20 is: 198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.46 : 327.58 = 144.20 : x
  2. Step 2: Convert to fraction form
    237.46/327.58 = 144.20/x
  3. Step 3: Cross multiply
    237.46x = 327.58 × 144.20
  4. Step 4: Simplify right side
    237.46x = 47,237.04
  5. Step 5: Solve for x
    x = 47,237.04/237.46
  6. Step 6: Final answer
    x = 198.93

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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.