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Finding the Fourth Proportional to 239.24, 330.10 and 141.04

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Solution

The fourth proportional to 239.24, 330.10 and 141.04 is: 194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.24 : 330.10 = 141.04 : x
  2. Step 2: Convert to fraction form
    239.24/330.10 = 141.04/x
  3. Step 3: Cross multiply
    239.24x = 330.10 × 141.04
  4. Step 4: Simplify right side
    239.24x = 46,557.30
  5. Step 5: Solve for x
    x = 46,557.30/239.24
  6. Step 6: Final answer
    x = 194.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.