Finding the Fourth Proportional to 414.98, 622.49 and 154.99
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Solution
The fourth proportional to 414.98, 622.49 and 154.99 is: 232.48
Step by Step Solution
- Step 1: Write the proportion equation
414.98 : 622.49 = 154.99 : x - Step 2: Convert to fraction form
414.98/622.49 = 154.99/x - Step 3: Cross multiply
414.98x = 622.49 × 154.99 - Step 4: Simplify right side
414.98x = 96,476.23 - Step 5: Solve for x
x = 96,476.23/414.98 - Step 6: Final answer
x = 232.48
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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.