Finding the Fourth Proportional to 323.26, 484.80 and 106.99
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Solution
The fourth proportional to 323.26, 484.80 and 106.99 is: 160.46
Step by Step Solution
- Step 1: Write the proportion equation
323.26 : 484.80 = 106.99 : x - Step 2: Convert to fraction form
323.26/484.80 = 106.99/x - Step 3: Cross multiply
323.26x = 484.80 × 106.99 - Step 4: Simplify right side
323.26x = 51,868.75 - Step 5: Solve for x
x = 51,868.75/323.26 - Step 6: Final answer
x = 160.46
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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.