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Finding the Fourth Proportional to 225.99, 338.74 and 110.25

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Solution

The fourth proportional to 225.99, 338.74 and 110.25 is: 165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.99 : 338.74 = 110.25 : x
  2. Step 2: Convert to fraction form
    225.99/338.74 = 110.25/x
  3. Step 3: Cross multiply
    225.99x = 338.74 × 110.25
  4. Step 4: Simplify right side
    225.99x = 37,346.09
  5. Step 5: Solve for x
    x = 37,346.09/225.99
  6. Step 6: Final answer
    x = 165.26

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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.