Finding the Fourth Proportional to 394.19, 591.18 and 163.14
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Solution
The fourth proportional to 394.19, 591.18 and 163.14 is: 244.67
Step by Step Solution
- Step 1: Write the proportion equation
394.19 : 591.18 = 163.14 : x - Step 2: Convert to fraction form
394.19/591.18 = 163.14/x - Step 3: Cross multiply
394.19x = 591.18 × 163.14 - Step 4: Simplify right side
394.19x = 96,444.29 - Step 5: Solve for x
x = 96,444.29/394.19 - Step 6: Final answer
x = 244.67
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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.