Finding the Fourth Proportional to 213.69, 295.11 and 163.14
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Solution
The fourth proportional to 213.69, 295.11 and 163.14 is: 225.29
Step by Step Solution
- Step 1: Write the proportion equation
213.69 : 295.11 = 163.14 : x - Step 2: Convert to fraction form
213.69/295.11 = 163.14/x - Step 3: Cross multiply
213.69x = 295.11 × 163.14 - Step 4: Simplify right side
213.69x = 48,143.14 - Step 5: Solve for x
x = 48,143.14/213.69 - Step 6: Final answer
x = 225.29
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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.