Finding the Fourth Proportional to 163.23, 244.39 and 122.03
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Solution
The fourth proportional to 163.23, 244.39 and 122.03 is: 182.70
Step by Step Solution
- Step 1: Write the proportion equation
163.23 : 244.39 = 122.03 : x - Step 2: Convert to fraction form
163.23/244.39 = 122.03/x - Step 3: Cross multiply
163.23x = 244.39 × 122.03 - Step 4: Simplify right side
163.23x = 29,822.91 - Step 5: Solve for x
x = 29,822.91/163.23 - Step 6: Final answer
x = 182.70
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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.