Finding the Fourth Proportional to 197.76, 296.58 and 94.99
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Solution
The fourth proportional to 197.76, 296.58 and 94.99 is: 142.45
Step by Step Solution
- Step 1: Write the proportion equation
197.76 : 296.58 = 94.99 : x - Step 2: Convert to fraction form
197.76/296.58 = 94.99/x - Step 3: Cross multiply
197.76x = 296.58 × 94.99 - Step 4: Simplify right side
197.76x = 28,171.39 - Step 5: Solve for x
x = 28,171.39/197.76 - Step 6: Final answer
x = 142.45
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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.