Finding the Fourth Proportional to 246.11, 368.69 and 199.80
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Solution
The fourth proportional to 246.11, 368.69 and 199.80 is: 299.32
Step by Step Solution
- Step 1: Write the proportion equation
246.11 : 368.69 = 199.80 : x - Step 2: Convert to fraction form
246.11/368.69 = 199.80/x - Step 3: Cross multiply
246.11x = 368.69 × 199.80 - Step 4: Simplify right side
246.11x = 73,663.26 - Step 5: Solve for x
x = 73,663.26/246.11 - Step 6: Final answer
x = 299.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.