Finding the Fourth Proportional to 326.62, 489.99 and 110.19
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Solution
The fourth proportional to 326.62, 489.99 and 110.19 is: 165.31
Step by Step Solution
- Step 1: Write the proportion equation
326.62 : 489.99 = 110.19 : x - Step 2: Convert to fraction form
326.62/489.99 = 110.19/x - Step 3: Cross multiply
326.62x = 489.99 × 110.19 - Step 4: Simplify right side
326.62x = 53,992.00 - Step 5: Solve for x
x = 53,992.00/326.62 - Step 6: Final answer
x = 165.31
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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.