Finding the Fourth Proportional to 194.13, 290.97 and 124.63
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Solution
The fourth proportional to 194.13, 290.97 and 124.63 is: 186.80
Step by Step Solution
- Step 1: Write the proportion equation
194.13 : 290.97 = 124.63 : x - Step 2: Convert to fraction form
194.13/290.97 = 124.63/x - Step 3: Cross multiply
194.13x = 290.97 × 124.63 - Step 4: Simplify right side
194.13x = 36,264.73 - Step 5: Solve for x
x = 36,264.73/194.13 - Step 6: Final answer
x = 186.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.