Finding the Fourth Proportional to 366.88, 550.48 and 193.68
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Solution
The fourth proportional to 366.88, 550.48 and 193.68 is: 290.60
Step by Step Solution
- Step 1: Write the proportion equation
366.88 : 550.48 = 193.68 : x - Step 2: Convert to fraction form
366.88/550.48 = 193.68/x - Step 3: Cross multiply
366.88x = 550.48 × 193.68 - Step 4: Simplify right side
366.88x = 106,616.97 - Step 5: Solve for x
x = 106,616.97/366.88 - Step 6: Final answer
x = 290.60
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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.