Finding the Fourth Proportional to 293.99, 441.21 and 252.99
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Solution
The fourth proportional to 293.99, 441.21 and 252.99 is: 379.69
Step by Step Solution
- Step 1: Write the proportion equation
293.99 : 441.21 = 252.99 : x - Step 2: Convert to fraction form
293.99/441.21 = 252.99/x - Step 3: Cross multiply
293.99x = 441.21 × 252.99 - Step 4: Simplify right side
293.99x = 111,621.72 - Step 5: Solve for x
x = 111,621.72/293.99 - Step 6: Final answer
x = 379.69
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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.