Finding the Fourth Proportional to 197.19, 296.42 and 163.17
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Solution
The fourth proportional to 197.19, 296.42 and 163.17 is: 245.28
Step by Step Solution
- Step 1: Write the proportion equation
197.19 : 296.42 = 163.17 : x - Step 2: Convert to fraction form
197.19/296.42 = 163.17/x - Step 3: Cross multiply
197.19x = 296.42 × 163.17 - Step 4: Simplify right side
197.19x = 48,366.04 - Step 5: Solve for x
x = 48,366.04/197.19 - Step 6: Final answer
x = 245.28
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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.