Finding the Fourth Proportional to 396.19, 593.67 and 274.18
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Solution
The fourth proportional to 396.19, 593.67 and 274.18 is: 410.85
Step by Step Solution
- Step 1: Write the proportion equation
396.19 : 593.67 = 274.18 : x - Step 2: Convert to fraction form
396.19/593.67 = 274.18/x - Step 3: Cross multiply
396.19x = 593.67 × 274.18 - Step 4: Simplify right side
396.19x = 162,772.44 - Step 5: Solve for x
x = 162,772.44/396.19 - Step 6: Final answer
x = 410.85
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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.