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Finding the Fourth Proportional to 225.44, 337.85 and 117.30

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Solution

The fourth proportional to 225.44, 337.85 and 117.30 is: 175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.44 : 337.85 = 117.30 : x
  2. Step 2: Convert to fraction form
    225.44/337.85 = 117.30/x
  3. Step 3: Cross multiply
    225.44x = 337.85 × 117.30
  4. Step 4: Simplify right side
    225.44x = 39,629.22
  5. Step 5: Solve for x
    x = 39,629.22/225.44
  6. Step 6: Final answer
    x = 175.79

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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.