Finding the Fourth Proportional to 396.19, 594.35 and 122.26
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Solution
The fourth proportional to 396.19, 594.35 and 122.26 is: 183.40
Step by Step Solution
- Step 1: Write the proportion equation
396.19 : 594.35 = 122.26 : x - Step 2: Convert to fraction form
396.19/594.35 = 122.26/x - Step 3: Cross multiply
396.19x = 594.35 × 122.26 - Step 4: Simplify right side
396.19x = 72,661.65 - Step 5: Solve for x
x = 72,661.65/396.19 - Step 6: Final answer
x = 183.40
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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.