Finding the Fourth Proportional to 163.19, 244.88 and 161.82
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Solution
The fourth proportional to 163.19, 244.88 and 161.82 is: 242.82
Step by Step Solution
- Step 1: Write the proportion equation
163.19 : 244.88 = 161.82 : x - Step 2: Convert to fraction form
163.19/244.88 = 161.82/x - Step 3: Cross multiply
163.19x = 244.88 × 161.82 - Step 4: Simplify right side
163.19x = 39,626.48 - Step 5: Solve for x
x = 39,626.48/163.19 - Step 6: Final answer
x = 242.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.