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Finding the Fourth Proportional to 228.24, 341.91 and 119.84

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Solution

The fourth proportional to 228.24, 341.91 and 119.84 is: 179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    228.24 : 341.91 = 119.84 : x
  2. Step 2: Convert to fraction form
    228.24/341.91 = 119.84/x
  3. Step 3: Cross multiply
    228.24x = 341.91 × 119.84
  4. Step 4: Simplify right side
    228.24x = 40,972.78
  5. Step 5: Solve for x
    x = 40,972.78/228.24
  6. Step 6: Final answer
    x = 179.52

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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.