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Finding the Fourth Proportional to 374.15, 562.22 and 200.95

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Solution

The fourth proportional to 374.15, 562.22 and 200.95 is: 301.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.15 : 562.22 = 200.95 : x
  2. Step 2: Convert to fraction form
    374.15/562.22 = 200.95/x
  3. Step 3: Cross multiply
    374.15x = 562.22 × 200.95
  4. Step 4: Simplify right side
    374.15x = 112,974.29
  5. Step 5: Solve for x
    x = 112,974.29/374.15
  6. Step 6: Final answer
    x = 301.95

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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.