Finding the Fourth Proportional to 163.93, 226.26 and 108.67
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Solution
The fourth proportional to 163.93, 226.26 and 108.67 is: 149.99
Step by Step Solution
- Step 1: Write the proportion equation
163.93 : 226.26 = 108.67 : x - Step 2: Convert to fraction form
163.93/226.26 = 108.67/x - Step 3: Cross multiply
163.93x = 226.26 × 108.67 - Step 4: Simplify right side
163.93x = 24,587.67 - Step 5: Solve for x
x = 24,587.67/163.93 - Step 6: Final answer
x = 149.99
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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.