Finding the Fourth Proportional to 394.10, 590.75 and 163.11
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Solution
The fourth proportional to 394.10, 590.75 and 163.11 is: 244.51
Step by Step Solution
- Step 1: Write the proportion equation
394.10 : 590.75 = 163.11 : x - Step 2: Convert to fraction form
394.10/590.75 = 163.11/x - Step 3: Cross multiply
394.10x = 590.75 × 163.11 - Step 4: Simplify right side
394.10x = 96,359.24 - Step 5: Solve for x
x = 96,359.24/394.10 - Step 6: Final answer
x = 244.51
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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.