Finding the Fourth Proportional to 111.36, 166.83 and 95.99
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Solution
The fourth proportional to 111.36, 166.83 and 95.99 is: 143.80
Step by Step Solution
- Step 1: Write the proportion equation
111.36 : 166.83 = 95.99 : x - Step 2: Convert to fraction form
111.36/166.83 = 95.99/x - Step 3: Cross multiply
111.36x = 166.83 × 95.99 - Step 4: Simplify right side
111.36x = 16,014.01 - Step 5: Solve for x
x = 16,014.01/111.36 - Step 6: Final answer
x = 143.80
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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.