Finding the Fourth Proportional to 224.43, 336.84 and 163.68
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Solution
The fourth proportional to 224.43, 336.84 and 163.68 is: 245.66
Step by Step Solution
- Step 1: Write the proportion equation
224.43 : 336.84 = 163.68 : x - Step 2: Convert to fraction form
224.43/336.84 = 163.68/x - Step 3: Cross multiply
224.43x = 336.84 × 163.68 - Step 4: Simplify right side
224.43x = 55,133.97 - Step 5: Solve for x
x = 55,133.97/224.43 - Step 6: Final answer
x = 245.66
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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.