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Finding the Fourth Proportional to 225.88, 339.23 and 174.65

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Solution

The fourth proportional to 225.88, 339.23 and 174.65 is: 262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.88 : 339.23 = 174.65 : x
  2. Step 2: Convert to fraction form
    225.88/339.23 = 174.65/x
  3. Step 3: Cross multiply
    225.88x = 339.23 × 174.65
  4. Step 4: Simplify right side
    225.88x = 59,246.52
  5. Step 5: Solve for x
    x = 59,246.52/225.88
  6. Step 6: Final answer
    x = 262.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.