Finding the Fourth Proportional to 212.63, 293.44 and 125.31
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Solution
The fourth proportional to 212.63, 293.44 and 125.31 is: 172.94
Step by Step Solution
- Step 1: Write the proportion equation
212.63 : 293.44 = 125.31 : x - Step 2: Convert to fraction form
212.63/293.44 = 125.31/x - Step 3: Cross multiply
212.63x = 293.44 × 125.31 - Step 4: Simplify right side
212.63x = 36,771.99 - Step 5: Solve for x
x = 36,771.99/212.63 - Step 6: Final answer
x = 172.94
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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.