Finding the Fourth Proportional to 246.80, 370.20 and 201.20
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Solution
The fourth proportional to 246.80, 370.20 and 201.20 is: 301.80
Step by Step Solution
- Step 1: Write the proportion equation
246.80 : 370.20 = 201.20 : x - Step 2: Convert to fraction form
246.80/370.20 = 201.20/x - Step 3: Cross multiply
246.80x = 370.20 × 201.20 - Step 4: Simplify right side
246.80x = 74,484.24 - Step 5: Solve for x
x = 74,484.24/246.80 - Step 6: Final answer
x = 301.80
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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.