Finding the Fourth Proportional to 325.97, 489.87 and 195.99
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Solution
The fourth proportional to 325.97, 489.87 and 195.99 is: 294.54
Step by Step Solution
- Step 1: Write the proportion equation
325.97 : 489.87 = 195.99 : x - Step 2: Convert to fraction form
325.97/489.87 = 195.99/x - Step 3: Cross multiply
325.97x = 489.87 × 195.99 - Step 4: Simplify right side
325.97x = 96,009.62 - Step 5: Solve for x
x = 96,009.62/325.97 - Step 6: Final answer
x = 294.54
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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.