Finding the Fourth Proportional to 186.97, 257.99 and 104.08
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Solution
The fourth proportional to 186.97, 257.99 and 104.08 is: 143.61
Step by Step Solution
- Step 1: Write the proportion equation
186.97 : 257.99 = 104.08 : x - Step 2: Convert to fraction form
186.97/257.99 = 104.08/x - Step 3: Cross multiply
186.97x = 257.99 × 104.08 - Step 4: Simplify right side
186.97x = 26,850.63 - Step 5: Solve for x
x = 26,850.63/186.97 - Step 6: Final answer
x = 143.61
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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.