Finding the Fourth Proportional to 441.12, 660.99 and 224.58
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Solution
The fourth proportional to 441.12, 660.99 and 224.58 is: 336.52
Step by Step Solution
- Step 1: Write the proportion equation
441.12 : 660.99 = 224.58 : x - Step 2: Convert to fraction form
441.12/660.99 = 224.58/x - Step 3: Cross multiply
441.12x = 660.99 × 224.58 - Step 4: Simplify right side
441.12x = 148,445.13 - Step 5: Solve for x
x = 148,445.13/441.12 - Step 6: Final answer
x = 336.52
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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.