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Finding the Fourth Proportional to 358.96, 537.94 and 196.28

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Solution

The fourth proportional to 358.96, 537.94 and 196.28 is: 294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.96 : 537.94 = 196.28 : x
  2. Step 2: Convert to fraction form
    358.96/537.94 = 196.28/x
  3. Step 3: Cross multiply
    358.96x = 537.94 × 196.28
  4. Step 4: Simplify right side
    358.96x = 105,586.86
  5. Step 5: Solve for x
    x = 105,586.86/358.96
  6. Step 6: Final answer
    x = 294.15

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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.