Finding the Fourth Proportional to 197.63, 296.63 and 94.99
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Solution
The fourth proportional to 197.63, 296.63 and 94.99 is: 142.56
Step by Step Solution
- Step 1: Write the proportion equation
197.63 : 296.63 = 94.99 : x - Step 2: Convert to fraction form
197.63/296.63 = 94.99/x - Step 3: Cross multiply
197.63x = 296.63 × 94.99 - Step 4: Simplify right side
197.63x = 28,174.93 - Step 5: Solve for x
x = 28,174.93/197.63 - Step 6: Final answer
x = 142.56
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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.