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Finding the Fourth Proportional to 260.01, 360.25 and 230.85

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Solution

The fourth proportional to 260.01, 360.25 and 230.85 is: 319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.01 : 360.25 = 230.85 : x
  2. Step 2: Convert to fraction form
    260.01/360.25 = 230.85/x
  3. Step 3: Cross multiply
    260.01x = 360.25 × 230.85
  4. Step 4: Simplify right side
    260.01x = 83,163.14
  5. Step 5: Solve for x
    x = 83,163.14/260.01
  6. Step 6: Final answer
    x = 319.85

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.