Finding the Fourth Proportional to 236.64, 326.73 and 163.08
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Solution
The fourth proportional to 236.64, 326.73 and 163.08 is: 225.17
Step by Step Solution
- Step 1: Write the proportion equation
236.64 : 326.73 = 163.08 : x - Step 2: Convert to fraction form
236.64/326.73 = 163.08/x - Step 3: Cross multiply
236.64x = 326.73 × 163.08 - Step 4: Simplify right side
236.64x = 53,283.13 - Step 5: Solve for x
x = 53,283.13/236.64 - Step 6: Final answer
x = 225.17
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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.