Finding the Fourth Proportional to 396.65, 594.97 and 378.19
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Solution
The fourth proportional to 396.65, 594.97 and 378.19 is: 567.29
Step by Step Solution
- Step 1: Write the proportion equation
396.65 : 594.97 = 378.19 : x - Step 2: Convert to fraction form
396.65/594.97 = 378.19/x - Step 3: Cross multiply
396.65x = 594.97 × 378.19 - Step 4: Simplify right side
396.65x = 225,014.24 - Step 5: Solve for x
x = 225,014.24/396.65 - Step 6: Final answer
x = 567.29
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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.