Finding the Fourth Proportional to 349.24, 481.82 and 201.84
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Solution
The fourth proportional to 349.24, 481.82 and 201.84 is: 278.47
Step by Step Solution
- Step 1: Write the proportion equation
349.24 : 481.82 = 201.84 : x - Step 2: Convert to fraction form
349.24/481.82 = 201.84/x - Step 3: Cross multiply
349.24x = 481.82 × 201.84 - Step 4: Simplify right side
349.24x = 97,252.15 - Step 5: Solve for x
x = 97,252.15/349.24 - Step 6: Final answer
x = 278.47
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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.