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Finding the Fourth Proportional to 244.32, 335.40 and 238.08

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Solution

The fourth proportional to 244.32, 335.40 and 238.08 is: 326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.32 : 335.40 = 238.08 : x
  2. Step 2: Convert to fraction form
    244.32/335.40 = 238.08/x
  3. Step 3: Cross multiply
    244.32x = 335.40 × 238.08
  4. Step 4: Simplify right side
    244.32x = 79,852.03
  5. Step 5: Solve for x
    x = 79,852.03/244.32
  6. Step 6: Final answer
    x = 326.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.