Finding the Fourth Proportional to 325.60, 449.21 and 201.13
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Solution
The fourth proportional to 325.60, 449.21 and 201.13 is: 277.49
Step by Step Solution
- Step 1: Write the proportion equation
325.60 : 449.21 = 201.13 : x - Step 2: Convert to fraction form
325.60/449.21 = 201.13/x - Step 3: Cross multiply
325.60x = 449.21 × 201.13 - Step 4: Simplify right side
325.60x = 90,348.99 - Step 5: Solve for x
x = 90,348.99/325.60 - Step 6: Final answer
x = 277.49
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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.