Finding the Fourth Proportional to 246.99, 340.80 and 142.06
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Solution
The fourth proportional to 246.99, 340.80 and 142.06 is: 196.02
Step by Step Solution
- Step 1: Write the proportion equation
246.99 : 340.80 = 142.06 : x - Step 2: Convert to fraction form
246.99/340.80 = 142.06/x - Step 3: Cross multiply
246.99x = 340.80 × 142.06 - Step 4: Simplify right side
246.99x = 48,414.05 - Step 5: Solve for x
x = 48,414.05/246.99 - Step 6: Final answer
x = 196.02
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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.