Finding the Fourth Proportional to 511.62, 767.26 and 186.99
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Solution
The fourth proportional to 511.62, 767.26 and 186.99 is: 280.42
Step by Step Solution
- Step 1: Write the proportion equation
511.62 : 767.26 = 186.99 : x - Step 2: Convert to fraction form
511.62/767.26 = 186.99/x - Step 3: Cross multiply
511.62x = 767.26 × 186.99 - Step 4: Simplify right side
511.62x = 143,469.95 - Step 5: Solve for x
x = 143,469.95/511.62 - Step 6: Final answer
x = 280.42
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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.