Finding the Fourth Proportional to 396.74, 594.88 and 122.75
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Solution
The fourth proportional to 396.74, 594.88 and 122.75 is: 184.05
Step by Step Solution
- Step 1: Write the proportion equation
396.74 : 594.88 = 122.75 : x - Step 2: Convert to fraction form
396.74/594.88 = 122.75/x - Step 3: Cross multiply
396.74x = 594.88 × 122.75 - Step 4: Simplify right side
396.74x = 73,018.24 - Step 5: Solve for x
x = 73,018.24/396.74 - Step 6: Final answer
x = 184.05
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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.