Finding the Fourth Proportional to 213.63, 294.84 and 125.14
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Solution
The fourth proportional to 213.63, 294.84 and 125.14 is: 172.70
Step by Step Solution
- Step 1: Write the proportion equation
213.63 : 294.84 = 125.14 : x - Step 2: Convert to fraction form
213.63/294.84 = 125.14/x - Step 3: Cross multiply
213.63x = 294.84 × 125.14 - Step 4: Simplify right side
213.63x = 36,894.18 - Step 5: Solve for x
x = 36,894.18/213.63 - Step 6: Final answer
x = 172.70
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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.