Finding the Fourth Proportional to 163.96, 226.22 and 98.44
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Solution
The fourth proportional to 163.96, 226.22 and 98.44 is: 135.82
Step by Step Solution
- Step 1: Write the proportion equation
163.96 : 226.22 = 98.44 : x - Step 2: Convert to fraction form
163.96/226.22 = 98.44/x - Step 3: Cross multiply
163.96x = 226.22 × 98.44 - Step 4: Simplify right side
163.96x = 22,269.10 - Step 5: Solve for x
x = 22,269.10/163.96 - Step 6: Final answer
x = 135.82
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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.