Finding the Fourth Proportional to 511.26, 765.14 and 425.84
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Solution
The fourth proportional to 511.26, 765.14 and 425.84 is: 637.30
Step by Step Solution
- Step 1: Write the proportion equation
511.26 : 765.14 = 425.84 : x - Step 2: Convert to fraction form
511.26/765.14 = 425.84/x - Step 3: Cross multiply
511.26x = 765.14 × 425.84 - Step 4: Simplify right side
511.26x = 325,827.22 - Step 5: Solve for x
x = 325,827.22/511.26 - Step 6: Final answer
x = 637.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.