Finding the Fourth Proportional to 334.78, 461.99 and 203.70
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Solution
The fourth proportional to 334.78, 461.99 and 203.70 is: 281.10
Step by Step Solution
- Step 1: Write the proportion equation
334.78 : 461.99 = 203.70 : x - Step 2: Convert to fraction form
334.78/461.99 = 203.70/x - Step 3: Cross multiply
334.78x = 461.99 × 203.70 - Step 4: Simplify right side
334.78x = 94,107.36 - Step 5: Solve for x
x = 94,107.36/334.78 - Step 6: Final answer
x = 281.10
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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.