Finding the Fourth Proportional to 163.24, 244.96 and 122.60
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Solution
The fourth proportional to 163.24, 244.96 and 122.60 is: 183.98
Step by Step Solution
- Step 1: Write the proportion equation
163.24 : 244.96 = 122.60 : x - Step 2: Convert to fraction form
163.24/244.96 = 122.60/x - Step 3: Cross multiply
163.24x = 244.96 × 122.60 - Step 4: Simplify right side
163.24x = 30,032.10 - Step 5: Solve for x
x = 30,032.10/163.24 - Step 6: Final answer
x = 183.98
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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.