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Finding the Fourth Proportional to 235.92, 325.95 and 224.67

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Solution

The fourth proportional to 235.92, 325.95 and 224.67 is: 310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.92 : 325.95 = 224.67 : x
  2. Step 2: Convert to fraction form
    235.92/325.95 = 224.67/x
  3. Step 3: Cross multiply
    235.92x = 325.95 × 224.67
  4. Step 4: Simplify right side
    235.92x = 73,231.19
  5. Step 5: Solve for x
    x = 73,231.19/235.92
  6. Step 6: Final answer
    x = 310.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.