Finding the Fourth Proportional to 396.62, 595.02 and 122.75
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Solution
The fourth proportional to 396.62, 595.02 and 122.75 is: 184.15
Step by Step Solution
- Step 1: Write the proportion equation
396.62 : 595.02 = 122.75 : x - Step 2: Convert to fraction form
396.62/595.02 = 122.75/x - Step 3: Cross multiply
396.62x = 595.02 × 122.75 - Step 4: Simplify right side
396.62x = 73,035.73 - Step 5: Solve for x
x = 73,035.73/396.62 - Step 6: Final answer
x = 184.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.