Finding the Fourth Proportional to 178.44, 246.35 and 134.97
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Solution
The fourth proportional to 178.44, 246.35 and 134.97 is: 186.33
Step by Step Solution
- Step 1: Write the proportion equation
178.44 : 246.35 = 134.97 : x - Step 2: Convert to fraction form
178.44/246.35 = 134.97/x - Step 3: Cross multiply
178.44x = 246.35 × 134.97 - Step 4: Simplify right side
178.44x = 33,249.18 - Step 5: Solve for x
x = 33,249.18/178.44 - Step 6: Final answer
x = 186.33
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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.