Finding the Fourth Proportional to 96.62, 144.61 and 69.48
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Solution
The fourth proportional to 96.62, 144.61 and 69.48 is: 103.99
Step by Step Solution
- Step 1: Write the proportion equation
96.62 : 144.61 = 69.48 : x - Step 2: Convert to fraction form
96.62/144.61 = 69.48/x - Step 3: Cross multiply
96.62x = 144.61 × 69.48 - Step 4: Simplify right side
96.62x = 10,047.33 - Step 5: Solve for x
x = 10,047.33/96.62 - Step 6: Final answer
x = 103.99
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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.