Finding the Fourth Proportional to 394.36, 591.64 and 163.31
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Solution
The fourth proportional to 394.36, 591.64 and 163.31 is: 245.00
Step by Step Solution
- Step 1: Write the proportion equation
394.36 : 591.64 = 163.31 : x - Step 2: Convert to fraction form
394.36/591.64 = 163.31/x - Step 3: Cross multiply
394.36x = 591.64 × 163.31 - Step 4: Simplify right side
394.36x = 96,617.36 - Step 5: Solve for x
x = 96,617.36/394.36 - Step 6: Final answer
x = 245.00
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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.