Finding the Fourth Proportional to 490.24, 735.36 and 246.88
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Solution
The fourth proportional to 490.24, 735.36 and 246.88 is: 370.32
Step by Step Solution
- Step 1: Write the proportion equation
490.24 : 735.36 = 246.88 : x - Step 2: Convert to fraction form
490.24/735.36 = 246.88/x - Step 3: Cross multiply
490.24x = 735.36 × 246.88 - Step 4: Simplify right side
490.24x = 181,545.68 - Step 5: Solve for x
x = 181,545.68/490.24 - Step 6: Final answer
x = 370.32
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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.