Finding the Fourth Proportional to 201.96, 301.19 and 198.99
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Solution
The fourth proportional to 201.96, 301.19 and 198.99 is: 296.76
Step by Step Solution
- Step 1: Write the proportion equation
201.96 : 301.19 = 198.99 : x - Step 2: Convert to fraction form
201.96/301.19 = 198.99/x - Step 3: Cross multiply
201.96x = 301.19 × 198.99 - Step 4: Simplify right side
201.96x = 59,932.80 - Step 5: Solve for x
x = 59,932.80/201.96 - Step 6: Final answer
x = 296.76
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.