Finding the Fourth Proportional to 163.99, 226.19 and 114.11
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Solution
The fourth proportional to 163.99, 226.19 and 114.11 is: 157.39
Step by Step Solution
- Step 1: Write the proportion equation
163.99 : 226.19 = 114.11 : x - Step 2: Convert to fraction form
163.99/226.19 = 114.11/x - Step 3: Cross multiply
163.99x = 226.19 × 114.11 - Step 4: Simplify right side
163.99x = 25,809.97 - Step 5: Solve for x
x = 25,809.97/163.99 - Step 6: Final answer
x = 157.39
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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.