Finding the Fourth Proportional to 213.99, 321.02 and 163.26
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Solution
The fourth proportional to 213.99, 321.02 and 163.26 is: 244.92
Step by Step Solution
- Step 1: Write the proportion equation
213.99 : 321.02 = 163.26 : x - Step 2: Convert to fraction form
213.99/321.02 = 163.26/x - Step 3: Cross multiply
213.99x = 321.02 × 163.26 - Step 4: Simplify right side
213.99x = 52,409.52 - Step 5: Solve for x
x = 52,409.52/213.99 - Step 6: Final answer
x = 244.92
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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.