Finding the Fourth Proportional to 246.43, 340.07 and 135.91
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Solution
The fourth proportional to 246.43, 340.07 and 135.91 is: 187.56
Step by Step Solution
- Step 1: Write the proportion equation
246.43 : 340.07 = 135.91 : x - Step 2: Convert to fraction form
246.43/340.07 = 135.91/x - Step 3: Cross multiply
246.43x = 340.07 × 135.91 - Step 4: Simplify right side
246.43x = 46,219.68 - Step 5: Solve for x
x = 46,219.68/246.43 - 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.