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Finding the Fourth Proportional to 262.58, 363.09 and 226.10

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Solution

The fourth proportional to 262.58, 363.09 and 226.10 is: 312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.58 : 363.09 = 226.10 : x
  2. Step 2: Convert to fraction form
    262.58/363.09 = 226.10/x
  3. Step 3: Cross multiply
    262.58x = 363.09 × 226.10
  4. Step 4: Simplify right side
    262.58x = 82,094.65
  5. Step 5: Solve for x
    x = 82,094.65/262.58
  6. Step 6: Final answer
    x = 312.65

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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.