Finding the Fourth Proportional to 195.28, 293.36 and 161.56
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Solution
The fourth proportional to 195.28, 293.36 and 161.56 is: 242.70
Step by Step Solution
- Step 1: Write the proportion equation
195.28 : 293.36 = 161.56 : x - Step 2: Convert to fraction form
195.28/293.36 = 161.56/x - Step 3: Cross multiply
195.28x = 293.36 × 161.56 - Step 4: Simplify right side
195.28x = 47,395.24 - Step 5: Solve for x
x = 47,395.24/195.28 - Step 6: Final answer
x = 242.70
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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.