Finding the Fourth Proportional to 236.99, 326.63 and 163.15
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Solution
The fourth proportional to 236.99, 326.63 and 163.15 is: 224.86
Step by Step Solution
- Step 1: Write the proportion equation
236.99 : 326.63 = 163.15 : x - Step 2: Convert to fraction form
236.99/326.63 = 163.15/x - Step 3: Cross multiply
236.99x = 326.63 × 163.15 - Step 4: Simplify right side
236.99x = 53,289.28 - Step 5: Solve for x
x = 53,289.28/236.99 - Step 6: Final answer
x = 224.86
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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.