Finding the Fourth Proportional to 300.45, 414.59 and 176.09
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Solution
The fourth proportional to 300.45, 414.59 and 176.09 is: 242.99
Step by Step Solution
- Step 1: Write the proportion equation
300.45 : 414.59 = 176.09 : x - Step 2: Convert to fraction form
300.45/414.59 = 176.09/x - Step 3: Cross multiply
300.45x = 414.59 × 176.09 - Step 4: Simplify right side
300.45x = 73,004.27 - Step 5: Solve for x
x = 73,004.27/300.45 - Step 6: Final answer
x = 242.99
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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.