Finding the Fourth Proportional to 394.14, 591.09 and 273.18
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Solution
The fourth proportional to 394.14, 591.09 and 273.18 is: 409.69
Step by Step Solution
- Step 1: Write the proportion equation
394.14 : 591.09 = 273.18 : x - Step 2: Convert to fraction form
394.14/591.09 = 273.18/x - Step 3: Cross multiply
394.14x = 591.09 × 273.18 - Step 4: Simplify right side
394.14x = 161,473.97 - Step 5: Solve for x
x = 161,473.97/394.14 - Step 6: Final answer
x = 409.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.