Finding the Fourth Proportional to 326.11, 489.14 and 94.99
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Solution
The fourth proportional to 326.11, 489.14 and 94.99 is: 142.48
Step by Step Solution
- Step 1: Write the proportion equation
326.11 : 489.14 = 94.99 : x - Step 2: Convert to fraction form
326.11/489.14 = 94.99/x - Step 3: Cross multiply
326.11x = 489.14 × 94.99 - Step 4: Simplify right side
326.11x = 46,464.87 - Step 5: Solve for x
x = 46,464.87/326.11 - Step 6: Final answer
x = 142.48
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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.