Finding the Fourth Proportional to 163.88, 226.36 and 115.01
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Solution
The fourth proportional to 163.88, 226.36 and 115.01 is: 158.86
Step by Step Solution
- Step 1: Write the proportion equation
163.88 : 226.36 = 115.01 : x - Step 2: Convert to fraction form
163.88/226.36 = 115.01/x - Step 3: Cross multiply
163.88x = 226.36 × 115.01 - Step 4: Simplify right side
163.88x = 26,033.66 - Step 5: Solve for x
x = 26,033.66/163.88 - Step 6: Final answer
x = 158.86
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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.