Finding the Fourth Proportional to 334.09, 461.08 and 186.74
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Solution
The fourth proportional to 334.09, 461.08 and 186.74 is: 257.72
Step by Step Solution
- Step 1: Write the proportion equation
334.09 : 461.08 = 186.74 : x - Step 2: Convert to fraction form
334.09/461.08 = 186.74/x - Step 3: Cross multiply
334.09x = 461.08 × 186.74 - Step 4: Simplify right side
334.09x = 86,102.08 - Step 5: Solve for x
x = 86,102.08/334.09 - Step 6: Final answer
x = 257.72
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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.