Finding the Fourth Proportional to 336.91, 504.97 and 163.74
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Solution
The fourth proportional to 336.91, 504.97 and 163.74 is: 245.42
Step by Step Solution
- Step 1: Write the proportion equation
336.91 : 504.97 = 163.74 : x - Step 2: Convert to fraction form
336.91/504.97 = 163.74/x - Step 3: Cross multiply
336.91x = 504.97 × 163.74 - Step 4: Simplify right side
336.91x = 82,684.71 - Step 5: Solve for x
x = 82,684.71/336.91 - Step 6: Final answer
x = 245.42
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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.