Finding the Fourth Proportional to 194.97, 268.99 and 136.79
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Solution
The fourth proportional to 194.97, 268.99 and 136.79 is: 188.71
Step by Step Solution
- Step 1: Write the proportion equation
194.97 : 268.99 = 136.79 : x - Step 2: Convert to fraction form
194.97/268.99 = 136.79/x - Step 3: Cross multiply
194.97x = 268.99 × 136.79 - Step 4: Simplify right side
194.97x = 36,794.46 - Step 5: Solve for x
x = 36,794.46/194.97 - Step 6: Final answer
x = 188.71
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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.