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Finding the Fourth Proportional to 260.88, 360.01 and 141.24

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Solution

The fourth proportional to 260.88, 360.01 and 141.24 is: 194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.88 : 360.01 = 141.24 : x
  2. Step 2: Convert to fraction form
    260.88/360.01 = 141.24/x
  3. Step 3: Cross multiply
    260.88x = 360.01 × 141.24
  4. Step 4: Simplify right side
    260.88x = 50,848.58
  5. Step 5: Solve for x
    x = 50,848.58/260.88
  6. Step 6: Final answer
    x = 194.91

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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.