Finding the Fourth Proportional to 396.63, 594.74 and 122.66
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Solution
The fourth proportional to 396.63, 594.74 and 122.66 is: 183.92
Step by Step Solution
- Step 1: Write the proportion equation
396.63 : 594.74 = 122.66 : x - Step 2: Convert to fraction form
396.63/594.74 = 122.66/x - Step 3: Cross multiply
396.63x = 594.74 × 122.66 - Step 4: Simplify right side
396.63x = 72,947.22 - Step 5: Solve for x
x = 72,947.22/396.63 - Step 6: Final answer
x = 183.92
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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.