Finding the Fourth Proportional to 349.26, 481.99 and 201.95
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Solution
The fourth proportional to 349.26, 481.99 and 201.95 is: 278.69
Step by Step Solution
- Step 1: Write the proportion equation
349.26 : 481.99 = 201.95 : x - Step 2: Convert to fraction form
349.26/481.99 = 201.95/x - Step 3: Cross multiply
349.26x = 481.99 × 201.95 - Step 4: Simplify right side
349.26x = 97,334.97 - Step 5: Solve for x
x = 97,334.97/349.26 - Step 6: Final answer
x = 278.69
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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.