Finding the Fourth Proportional to 212.35, 292.99 and 125.01
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Solution
The fourth proportional to 212.35, 292.99 and 125.01 is: 172.48
Step by Step Solution
- Step 1: Write the proportion equation
212.35 : 292.99 = 125.01 : x - Step 2: Convert to fraction form
212.35/292.99 = 125.01/x - Step 3: Cross multiply
212.35x = 292.99 × 125.01 - Step 4: Simplify right side
212.35x = 36,626.68 - Step 5: Solve for x
x = 36,626.68/212.35 - Step 6: Final answer
x = 172.48
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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.