Finding the Fourth Proportional to 292.36, 403.46 and 161.37
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Solution
The fourth proportional to 292.36, 403.46 and 161.37 is: 222.69
Step by Step Solution
- Step 1: Write the proportion equation
292.36 : 403.46 = 161.37 : x - Step 2: Convert to fraction form
292.36/403.46 = 161.37/x - Step 3: Cross multiply
292.36x = 403.46 × 161.37 - Step 4: Simplify right side
292.36x = 65,104.55 - Step 5: Solve for x
x = 65,104.55/292.36 - Step 6: Final answer
x = 222.69
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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.