Finding the Fourth Proportional to 186.13, 278.99 and 94.70
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Solution
The fourth proportional to 186.13, 278.99 and 94.70 is: 141.94
Step by Step Solution
- Step 1: Write the proportion equation
186.13 : 278.99 = 94.70 : x - Step 2: Convert to fraction form
186.13/278.99 = 94.70/x - Step 3: Cross multiply
186.13x = 278.99 × 94.70 - Step 4: Simplify right side
186.13x = 26,418.48 - Step 5: Solve for x
x = 26,418.48/186.13 - Step 6: Final answer
x = 141.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.