Finding the Fourth Proportional to 329.46, 494.19 and 213.99
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Solution
The fourth proportional to 329.46, 494.19 and 213.99 is: 320.99
Step by Step Solution
- Step 1: Write the proportion equation
329.46 : 494.19 = 213.99 : x - Step 2: Convert to fraction form
329.46/494.19 = 213.99/x - Step 3: Cross multiply
329.46x = 494.19 × 213.99 - Step 4: Simplify right side
329.46x = 105,751.72 - Step 5: Solve for x
x = 105,751.72/329.46 - Step 6: Final answer
x = 320.99
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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.