Finding the Fourth Proportional to 219.62, 329.36 and 97.99
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Solution
The fourth proportional to 219.62, 329.36 and 97.99 is: 146.95
Step by Step Solution
- Step 1: Write the proportion equation
219.62 : 329.36 = 97.99 : x - Step 2: Convert to fraction form
219.62/329.36 = 97.99/x - Step 3: Cross multiply
219.62x = 329.36 × 97.99 - Step 4: Simplify right side
219.62x = 32,273.99 - Step 5: Solve for x
x = 32,273.99/219.62 - Step 6: Final answer
x = 146.95
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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.