Finding the Fourth Proportional to 195.44, 293.08 and 137.68
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Solution
The fourth proportional to 195.44, 293.08 and 137.68 is: 206.46
Step by Step Solution
- Step 1: Write the proportion equation
195.44 : 293.08 = 137.68 : x - Step 2: Convert to fraction form
195.44/293.08 = 137.68/x - Step 3: Cross multiply
195.44x = 293.08 × 137.68 - Step 4: Simplify right side
195.44x = 40,351.25 - Step 5: Solve for x
x = 40,351.25/195.44 - Step 6: Final answer
x = 206.46
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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.