Finding the Fourth Proportional to 396.23, 594.15 and 122.26
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Solution
The fourth proportional to 396.23, 594.15 and 122.26 is: 183.32
Step by Step Solution
- Step 1: Write the proportion equation
396.23 : 594.15 = 122.26 : x - Step 2: Convert to fraction form
396.23/594.15 = 122.26/x - Step 3: Cross multiply
396.23x = 594.15 × 122.26 - Step 4: Simplify right side
396.23x = 72,639.29 - Step 5: Solve for x
x = 72,639.29/396.23 - Step 6: Final answer
x = 183.32
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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.