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Finding the Fourth Proportional to 225.82, 336.71 and 225.52

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Solution

The fourth proportional to 225.82, 336.71 and 225.52 is: 336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.82 : 336.71 = 225.52 : x
  2. Step 2: Convert to fraction form
    225.82/336.71 = 225.52/x
  3. Step 3: Cross multiply
    225.82x = 336.71 × 225.52
  4. Step 4: Simplify right side
    225.82x = 75,934.84
  5. Step 5: Solve for x
    x = 75,934.84/225.82
  6. Step 6: Final answer
    x = 336.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.