Finding the Fourth Proportional to 306.01, 422.36 and 201.19
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Solution
The fourth proportional to 306.01, 422.36 and 201.19 is: 277.69
Step by Step Solution
- Step 1: Write the proportion equation
306.01 : 422.36 = 201.19 : x - Step 2: Convert to fraction form
306.01/422.36 = 201.19/x - Step 3: Cross multiply
306.01x = 422.36 × 201.19 - Step 4: Simplify right side
306.01x = 84,974.61 - Step 5: Solve for x
x = 84,974.61/306.01 - Step 6: Final answer
x = 277.69
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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.