Finding the Fourth Proportional to 197.61, 296.19 and 163.52
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Solution
The fourth proportional to 197.61, 296.19 and 163.52 is: 245.09
Step by Step Solution
- Step 1: Write the proportion equation
197.61 : 296.19 = 163.52 : x - Step 2: Convert to fraction form
197.61/296.19 = 163.52/x - Step 3: Cross multiply
197.61x = 296.19 × 163.52 - Step 4: Simplify right side
197.61x = 48,431.51 - Step 5: Solve for x
x = 48,431.51/197.61 - Step 6: Final answer
x = 245.09
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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.