Finding the Fourth Proportional to 213.76, 295.08 and 167.26
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Solution
The fourth proportional to 213.76, 295.08 and 167.26 is: 230.89
Step by Step Solution
- Step 1: Write the proportion equation
213.76 : 295.08 = 167.26 : x - Step 2: Convert to fraction form
213.76/295.08 = 167.26/x - Step 3: Cross multiply
213.76x = 295.08 × 167.26 - Step 4: Simplify right side
213.76x = 49,355.08 - Step 5: Solve for x
x = 49,355.08/213.76 - Step 6: Final answer
x = 230.89
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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.