Finding the Fourth Proportional to 450.70, 622.09 and 284.97
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Solution
The fourth proportional to 450.70, 622.09 and 284.97 is: 393.33
Step by Step Solution
- Step 1: Write the proportion equation
450.70 : 622.09 = 284.97 : x - Step 2: Convert to fraction form
450.70/622.09 = 284.97/x - Step 3: Cross multiply
450.70x = 622.09 × 284.97 - Step 4: Simplify right side
450.70x = 177,273.16 - Step 5: Solve for x
x = 177,273.16/450.70 - Step 6: Final answer
x = 393.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.