Finding the Fourth Proportional to 163.34, 226.97 and 161.67
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Solution
The fourth proportional to 163.34, 226.97 and 161.67 is: 224.65
Step by Step Solution
- Step 1: Write the proportion equation
163.34 : 226.97 = 161.67 : x - Step 2: Convert to fraction form
163.34/226.97 = 161.67/x - Step 3: Cross multiply
163.34x = 226.97 × 161.67 - Step 4: Simplify right side
163.34x = 36,693.43 - Step 5: Solve for x
x = 36,693.43/163.34 - Step 6: Final answer
x = 224.65
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.