Finding the Fourth Proportional to 303.97, 455.84 and 108.92
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Solution
The fourth proportional to 303.97, 455.84 and 108.92 is: 163.34
Step by Step Solution
- Step 1: Write the proportion equation
303.97 : 455.84 = 108.92 : x - Step 2: Convert to fraction form
303.97/455.84 = 108.92/x - Step 3: Cross multiply
303.97x = 455.84 × 108.92 - Step 4: Simplify right side
303.97x = 49,649.55 - Step 5: Solve for x
x = 49,649.55/303.97 - Step 6: Final answer
x = 163.34
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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.