Finding the Fourth Proportional to 163.44, 226.12 and 157.44
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Solution
The fourth proportional to 163.44, 226.12 and 157.44 is: 217.82
Step by Step Solution
- Step 1: Write the proportion equation
163.44 : 226.12 = 157.44 : x - Step 2: Convert to fraction form
163.44/226.12 = 157.44/x - Step 3: Cross multiply
163.44x = 226.12 × 157.44 - Step 4: Simplify right side
163.44x = 35,600.33 - Step 5: Solve for x
x = 35,600.33/163.44 - Step 6: Final answer
x = 217.82
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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.