Finding the Fourth Proportional to 481.26, 664.44 and 382.08
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Solution
The fourth proportional to 481.26, 664.44 and 382.08 is: 527.51
Step by Step Solution
- Step 1: Write the proportion equation
481.26 : 664.44 = 382.08 : x - Step 2: Convert to fraction form
481.26/664.44 = 382.08/x - Step 3: Cross multiply
481.26x = 664.44 × 382.08 - Step 4: Simplify right side
481.26x = 253,869.24 - Step 5: Solve for x
x = 253,869.24/481.26 - Step 6: Final answer
x = 527.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.