Finding the Fourth Proportional to 219.96, 329.94 and 202.68
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Solution
The fourth proportional to 219.96, 329.94 and 202.68 is: 304.02
Step by Step Solution
- Step 1: Write the proportion equation
219.96 : 329.94 = 202.68 : x - Step 2: Convert to fraction form
219.96/329.94 = 202.68/x - Step 3: Cross multiply
219.96x = 329.94 × 202.68 - Step 4: Simplify right side
219.96x = 66,872.24 - Step 5: Solve for x
x = 66,872.24/219.96 - Step 6: Final answer
x = 304.02
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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.