Finding the Fourth Proportional to 396.44, 594.70 and 107.88
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Solution
The fourth proportional to 396.44, 594.70 and 107.88 is: 161.83
Step by Step Solution
- Step 1: Write the proportion equation
396.44 : 594.70 = 107.88 : x - Step 2: Convert to fraction form
396.44/594.70 = 107.88/x - Step 3: Cross multiply
396.44x = 594.70 × 107.88 - Step 4: Simplify right side
396.44x = 64,156.24 - Step 5: Solve for x
x = 64,156.24/396.44 - Step 6: Final answer
x = 161.83
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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.