Finding the Fourth Proportional to 194.56, 268.56 and 116.96
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Solution
The fourth proportional to 194.56, 268.56 and 116.96 is: 161.45
Step by Step Solution
- Step 1: Write the proportion equation
194.56 : 268.56 = 116.96 : x - Step 2: Convert to fraction form
194.56/268.56 = 116.96/x - Step 3: Cross multiply
194.56x = 268.56 × 116.96 - Step 4: Simplify right side
194.56x = 31,410.78 - Step 5: Solve for x
x = 31,410.78/194.56 - Step 6: Final answer
x = 161.45
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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.