Finding the Fourth Proportional to 326.79, 489.52 and 202.99
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Solution
The fourth proportional to 326.79, 489.52 and 202.99 is: 304.07
Step by Step Solution
- Step 1: Write the proportion equation
326.79 : 489.52 = 202.99 : x - Step 2: Convert to fraction form
326.79/489.52 = 202.99/x - Step 3: Cross multiply
326.79x = 489.52 × 202.99 - Step 4: Simplify right side
326.79x = 99,367.04 - Step 5: Solve for x
x = 99,367.04/326.79 - Step 6: Final answer
x = 304.07
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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.