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Finding the Fourth Proportional to 110.67, 152.70 and 66.99

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Solution

The fourth proportional to 110.67, 152.70 and 66.99 is: 92.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.67 : 152.70 = 66.99 : x
  2. Step 2: Convert to fraction form
    110.67/152.70 = 66.99/x
  3. Step 3: Cross multiply
    110.67x = 152.70 × 66.99
  4. Step 4: Simplify right side
    110.67x = 10,229.69
  5. Step 5: Solve for x
    x = 10,229.69/110.67
  6. Step 6: Final answer
    x = 92.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.