Finding the Fourth Proportional to 163.84, 226.11 and 161.95
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Solution
The fourth proportional to 163.84, 226.11 and 161.95 is: 223.50
Step by Step Solution
- Step 1: Write the proportion equation
163.84 : 226.11 = 161.95 : x - Step 2: Convert to fraction form
163.84/226.11 = 161.95/x - Step 3: Cross multiply
163.84x = 226.11 × 161.95 - Step 4: Simplify right side
163.84x = 36,618.51 - Step 5: Solve for x
x = 36,618.51/163.84 - Step 6: Final answer
x = 223.50
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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.