Finding the Fourth Proportional to 201.62, 301.84 and 170.77
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Solution
The fourth proportional to 201.62, 301.84 and 170.77 is: 255.66
Step by Step Solution
- Step 1: Write the proportion equation
201.62 : 301.84 = 170.77 : x - Step 2: Convert to fraction form
201.62/301.84 = 170.77/x - Step 3: Cross multiply
201.62x = 301.84 × 170.77 - Step 4: Simplify right side
201.62x = 51,545.43 - Step 5: Solve for x
x = 51,545.43/201.62 - Step 6: Final answer
x = 255.66
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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.