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Finding the Fourth Proportional to 200.33, 300.18 and 84.67

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Solution

The fourth proportional to 200.33, 300.18 and 84.67 is: 126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.33 : 300.18 = 84.67 : x
  2. Step 2: Convert to fraction form
    200.33/300.18 = 84.67/x
  3. Step 3: Cross multiply
    200.33x = 300.18 × 84.67
  4. Step 4: Simplify right side
    200.33x = 25,416.24
  5. Step 5: Solve for x
    x = 25,416.24/200.33
  6. Step 6: Final answer
    x = 126.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.