Finding the Fourth Proportional to 111.03, 166.55 and 33.99
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Solution
The fourth proportional to 111.03, 166.55 and 33.99 is: 50.99
Step by Step Solution
- Step 1: Write the proportion equation
111.03 : 166.55 = 33.99 : x - Step 2: Convert to fraction form
111.03/166.55 = 33.99/x - Step 3: Cross multiply
111.03x = 166.55 × 33.99 - Step 4: Simplify right side
111.03x = 5,661.74 - Step 5: Solve for x
x = 5,661.74/111.03 - Step 6: Final answer
x = 50.99
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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.