Finding the Fourth Proportional to 323.48, 446.50 and 220.04
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Solution
The fourth proportional to 323.48, 446.50 and 220.04 is: 303.72
Step by Step Solution
- Step 1: Write the proportion equation
323.48 : 446.50 = 220.04 : x - Step 2: Convert to fraction form
323.48/446.50 = 220.04/x - Step 3: Cross multiply
323.48x = 446.50 × 220.04 - Step 4: Simplify right side
323.48x = 98,247.86 - Step 5: Solve for x
x = 98,247.86/323.48 - Step 6: Final answer
x = 303.72
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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.