Finding the Fourth Proportional to 396.22, 594.26 and 107.68
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Solution
The fourth proportional to 396.22, 594.26 and 107.68 is: 161.50
Step by Step Solution
- Step 1: Write the proportion equation
396.22 : 594.26 = 107.68 : x - Step 2: Convert to fraction form
396.22/594.26 = 107.68/x - Step 3: Cross multiply
396.22x = 594.26 × 107.68 - Step 4: Simplify right side
396.22x = 63,989.92 - Step 5: Solve for x
x = 63,989.92/396.22 - Step 6: Final answer
x = 161.50
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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.