Finding the Fourth Proportional to 396.64, 594.84 and 122.68
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Solution
The fourth proportional to 396.64, 594.84 and 122.68 is: 183.98
Step by Step Solution
- Step 1: Write the proportion equation
396.64 : 594.84 = 122.68 : x - Step 2: Convert to fraction form
396.64/594.84 = 122.68/x - Step 3: Cross multiply
396.64x = 594.84 × 122.68 - Step 4: Simplify right side
396.64x = 72,974.97 - Step 5: Solve for x
x = 72,974.97/396.64 - Step 6: Final answer
x = 183.98
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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.