Finding the Fourth Proportional to 246.44, 340.08 and 135.92
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Solution
The fourth proportional to 246.44, 340.08 and 135.92 is: 187.56
Step by Step Solution
- Step 1: Write the proportion equation
246.44 : 340.08 = 135.92 : x - Step 2: Convert to fraction form
246.44/340.08 = 135.92/x - Step 3: Cross multiply
246.44x = 340.08 × 135.92 - Step 4: Simplify right side
246.44x = 46,221.97 - Step 5: Solve for x
x = 46,221.97/246.44 - Step 6: Final answer
x = 187.56
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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.