Finding the Fourth Proportional to 349.19, 481.71 and 201.79
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Solution
The fourth proportional to 349.19, 481.71 and 201.79 is: 278.37
Step by Step Solution
- Step 1: Write the proportion equation
349.19 : 481.71 = 201.79 : x - Step 2: Convert to fraction form
349.19/481.71 = 201.79/x - Step 3: Cross multiply
349.19x = 481.71 × 201.79 - Step 4: Simplify right side
349.19x = 97,203.06 - Step 5: Solve for x
x = 97,203.06/349.19 - Step 6: Final answer
x = 278.37
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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.