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Finding the Fourth Proportional to 358.93, 537.48 and 196.42

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Solution

The fourth proportional to 358.93, 537.48 and 196.42 is: 294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.93 : 537.48 = 196.42 : x
  2. Step 2: Convert to fraction form
    358.93/537.48 = 196.42/x
  3. Step 3: Cross multiply
    358.93x = 537.48 × 196.42
  4. Step 4: Simplify right side
    358.93x = 105,570.84
  5. Step 5: Solve for x
    x = 105,570.84/358.93
  6. Step 6: Final answer
    x = 294.13

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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.