Finding the Fourth Proportional to 163.11, 244.62 and 112.08
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Solution
The fourth proportional to 163.11, 244.62 and 112.08 is: 168.09
Step by Step Solution
- Step 1: Write the proportion equation
163.11 : 244.62 = 112.08 : x - Step 2: Convert to fraction form
163.11/244.62 = 112.08/x - Step 3: Cross multiply
163.11x = 244.62 × 112.08 - Step 4: Simplify right side
163.11x = 27,417.93 - Step 5: Solve for x
x = 27,417.93/163.11 - Step 6: Final answer
x = 168.09
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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.