Finding the Fourth Proportional to 382.26, 576.36 and 352.02
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Solution
The fourth proportional to 382.26, 576.36 and 352.02 is: 530.77
Step by Step Solution
- Step 1: Write the proportion equation
382.26 : 576.36 = 352.02 : x - Step 2: Convert to fraction form
382.26/576.36 = 352.02/x - Step 3: Cross multiply
382.26x = 576.36 × 352.02 - Step 4: Simplify right side
382.26x = 202,890.25 - Step 5: Solve for x
x = 202,890.25/382.26 - Step 6: Final answer
x = 530.77
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.