Finding the Fourth Proportional to 349.14, 481.68 and 201.75
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Solution
The fourth proportional to 349.14, 481.68 and 201.75 is: 278.34
Step by Step Solution
- Step 1: Write the proportion equation
349.14 : 481.68 = 201.75 : x - Step 2: Convert to fraction form
349.14/481.68 = 201.75/x - Step 3: Cross multiply
349.14x = 481.68 × 201.75 - Step 4: Simplify right side
349.14x = 97,178.94 - Step 5: Solve for x
x = 97,178.94/349.14 - Step 6: Final answer
x = 278.34
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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.