Finding the Fourth Proportional to 349.07, 481.63 and 201.68
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Solution
The fourth proportional to 349.07, 481.63 and 201.68 is: 278.27
Step by Step Solution
- Step 1: Write the proportion equation
349.07 : 481.63 = 201.68 : x - Step 2: Convert to fraction form
349.07/481.63 = 201.68/x - Step 3: Cross multiply
349.07x = 481.63 × 201.68 - Step 4: Simplify right side
349.07x = 97,134.41 - Step 5: Solve for x
x = 97,134.41/349.07 - Step 6: Final answer
x = 278.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.