Finding the Fourth Proportional to 163.84, 226.12 and 134.68
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Solution
The fourth proportional to 163.84, 226.12 and 134.68 is: 185.88
Step by Step Solution
- Step 1: Write the proportion equation
163.84 : 226.12 = 134.68 : x - Step 2: Convert to fraction form
163.84/226.12 = 134.68/x - Step 3: Cross multiply
163.84x = 226.12 × 134.68 - Step 4: Simplify right side
163.84x = 30,453.84 - Step 5: Solve for x
x = 30,453.84/163.84 - Step 6: Final answer
x = 185.88
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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.