Finding the Fourth Proportional to 363.97, 545.24 and 290.99
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Solution
The fourth proportional to 363.97, 545.24 and 290.99 is: 435.92
Step by Step Solution
- Step 1: Write the proportion equation
363.97 : 545.24 = 290.99 : x - Step 2: Convert to fraction form
363.97/545.24 = 290.99/x - Step 3: Cross multiply
363.97x = 545.24 × 290.99 - Step 4: Simplify right side
363.97x = 158,662.50 - Step 5: Solve for x
x = 158,662.50/363.97 - Step 6: Final answer
x = 435.92
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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.