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Finding the Fourth Proportional to 300.77, 414.44 and 230.82

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Solution

The fourth proportional to 300.77, 414.44 and 230.82 is: 318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.77 : 414.44 = 230.82 : x
  2. Step 2: Convert to fraction form
    300.77/414.44 = 230.82/x
  3. Step 3: Cross multiply
    300.77x = 414.44 × 230.82
  4. Step 4: Simplify right side
    300.77x = 95,662.65
  5. Step 5: Solve for x
    x = 95,662.65/300.77
  6. Step 6: Final answer
    x = 318.06

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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.