Finding the Fourth Proportional to 195.44, 292.99 and 126.75
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Solution
The fourth proportional to 195.44, 292.99 and 126.75 is: 190.01
Step by Step Solution
- Step 1: Write the proportion equation
195.44 : 292.99 = 126.75 : x - Step 2: Convert to fraction form
195.44/292.99 = 126.75/x - Step 3: Cross multiply
195.44x = 292.99 × 126.75 - Step 4: Simplify right side
195.44x = 37,136.48 - Step 5: Solve for x
x = 37,136.48/195.44 - Step 6: Final answer
x = 190.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.