Finding the Fourth Proportional to 363.88, 545.84 and 201.64
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Solution
The fourth proportional to 363.88, 545.84 and 201.64 is: 302.47
Step by Step Solution
- Step 1: Write the proportion equation
363.88 : 545.84 = 201.64 : x - Step 2: Convert to fraction form
363.88/545.84 = 201.64/x - Step 3: Cross multiply
363.88x = 545.84 × 201.64 - Step 4: Simplify right side
363.88x = 110,063.18 - Step 5: Solve for x
x = 110,063.18/363.88 - Step 6: Final answer
x = 302.47
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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.