Finding the Fourth Proportional to 325.99, 449.82 and 201.62
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Solution
The fourth proportional to 325.99, 449.82 and 201.62 is: 278.21
Step by Step Solution
- Step 1: Write the proportion equation
325.99 : 449.82 = 201.62 : x - Step 2: Convert to fraction form
325.99/449.82 = 201.62/x - Step 3: Cross multiply
325.99x = 449.82 × 201.62 - Step 4: Simplify right side
325.99x = 90,693.83 - Step 5: Solve for x
x = 90,693.83/325.99 - Step 6: Final answer
x = 278.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.