Finding the Fourth Proportional to 394.26, 544.11 and 219.62
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Solution
The fourth proportional to 394.26, 544.11 and 219.62 is: 303.09
Step by Step Solution
- Step 1: Write the proportion equation
394.26 : 544.11 = 219.62 : x - Step 2: Convert to fraction form
394.26/544.11 = 219.62/x - Step 3: Cross multiply
394.26x = 544.11 × 219.62 - Step 4: Simplify right side
394.26x = 119,497.44 - Step 5: Solve for x
x = 119,497.44/394.26 - Step 6: Final answer
x = 303.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.