Finding the Fourth Proportional to 246.99, 340.87 and 142.08
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Solution
The fourth proportional to 246.99, 340.87 and 142.08 is: 196.09
Step by Step Solution
- Step 1: Write the proportion equation
246.99 : 340.87 = 142.08 : x - Step 2: Convert to fraction form
246.99/340.87 = 142.08/x - Step 3: Cross multiply
246.99x = 340.87 × 142.08 - Step 4: Simplify right side
246.99x = 48,430.60 - Step 5: Solve for x
x = 48,430.60/246.99 - Step 6: Final answer
x = 196.09
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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.