Finding the Fourth Proportional to 178.99, 246.99 and 134.77
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Solution
The fourth proportional to 178.99, 246.99 and 134.77 is: 185.97
Step by Step Solution
- Step 1: Write the proportion equation
178.99 : 246.99 = 134.77 : x - Step 2: Convert to fraction form
178.99/246.99 = 134.77/x - Step 3: Cross multiply
178.99x = 246.99 × 134.77 - Step 4: Simplify right side
178.99x = 33,286.84 - Step 5: Solve for x
x = 33,286.84/178.99 - Step 6: Final answer
x = 185.97
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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.