Finding the Fourth Proportional to 226.24, 312.49 and 163.97
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Solution
The fourth proportional to 226.24, 312.49 and 163.97 is: 226.48
Step by Step Solution
- Step 1: Write the proportion equation
226.24 : 312.49 = 163.97 : x - Step 2: Convert to fraction form
226.24/312.49 = 163.97/x - Step 3: Cross multiply
226.24x = 312.49 × 163.97 - Step 4: Simplify right side
226.24x = 51,238.99 - Step 5: Solve for x
x = 51,238.99/226.24 - Step 6: Final answer
x = 226.48
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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.