Finding the Fourth Proportional to 394.36, 590.11 and 343.19
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Solution
The fourth proportional to 394.36, 590.11 and 343.19 is: 513.54
Step by Step Solution
- Step 1: Write the proportion equation
394.36 : 590.11 = 343.19 : x - Step 2: Convert to fraction form
394.36/590.11 = 343.19/x - Step 3: Cross multiply
394.36x = 590.11 × 343.19 - Step 4: Simplify right side
394.36x = 202,519.85 - Step 5: Solve for x
x = 202,519.85/394.36 - Step 6: Final answer
x = 513.54
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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.