Finding the Fourth Proportional to 220.55, 330.99 and 110.97
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Solution
The fourth proportional to 220.55, 330.99 and 110.97 is: 166.54
Step by Step Solution
- Step 1: Write the proportion equation
220.55 : 330.99 = 110.97 : x - Step 2: Convert to fraction form
220.55/330.99 = 110.97/x - Step 3: Cross multiply
220.55x = 330.99 × 110.97 - Step 4: Simplify right side
220.55x = 36,729.96 - Step 5: Solve for x
x = 36,729.96/220.55 - Step 6: Final answer
x = 166.54
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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.