Finding the Fourth Proportional to 363.91, 546.09 and 210.14
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Solution
The fourth proportional to 363.91, 546.09 and 210.14 is: 315.33
Step by Step Solution
- Step 1: Write the proportion equation
363.91 : 546.09 = 210.14 : x - Step 2: Convert to fraction form
363.91/546.09 = 210.14/x - Step 3: Cross multiply
363.91x = 546.09 × 210.14 - Step 4: Simplify right side
363.91x = 114,751.57 - Step 5: Solve for x
x = 114,751.57/363.91 - Step 6: Final answer
x = 315.33
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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.