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Finding the Fourth Proportional to 358.11, 536.49 and 195.53

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Solution

The fourth proportional to 358.11, 536.49 and 195.53 is: 292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.11 : 536.49 = 195.53 : x
  2. Step 2: Convert to fraction form
    358.11/536.49 = 195.53/x
  3. Step 3: Cross multiply
    358.11x = 536.49 × 195.53
  4. Step 4: Simplify right side
    358.11x = 104,897.21
  5. Step 5: Solve for x
    x = 104,897.21/358.11
  6. Step 6: Final answer
    x = 292.92

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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.