Finding the Fourth Proportional to 341.61, 471.42 and 201.75
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Solution
The fourth proportional to 341.61, 471.42 and 201.75 is: 278.41
Step by Step Solution
- Step 1: Write the proportion equation
341.61 : 471.42 = 201.75 : x - Step 2: Convert to fraction form
341.61/471.42 = 201.75/x - Step 3: Cross multiply
341.61x = 471.42 × 201.75 - Step 4: Simplify right side
341.61x = 95,108.99 - Step 5: Solve for x
x = 95,108.99/341.61 - Step 6: Final answer
x = 278.41
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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.