Finding the Fourth Proportional to 160.10, 220.97 and 115.99
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Solution
The fourth proportional to 160.10, 220.97 and 115.99 is: 160.08
Step by Step Solution
- Step 1: Write the proportion equation
160.10 : 220.97 = 115.99 : x - Step 2: Convert to fraction form
160.10/220.97 = 115.99/x - Step 3: Cross multiply
160.10x = 220.97 × 115.99 - Step 4: Simplify right side
160.10x = 25,629.18 - Step 5: Solve for x
x = 25,629.18/160.10 - Step 6: Final answer
x = 160.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.