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Finding the Fourth Proportional to 133.23, 200.00 and 110.67

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Solution

The fourth proportional to 133.23, 200.00 and 110.67 is: 166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.23 : 200.00 = 110.67 : x
  2. Step 2: Convert to fraction form
    133.23/200.00 = 110.67/x
  3. Step 3: Cross multiply
    133.23x = 200.00 × 110.67
  4. Step 4: Simplify right side
    133.23x = 22,133.53
  5. Step 5: Solve for x
    x = 22,133.53/133.23
  6. Step 6: Final answer
    x = 166.13

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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.