Finding the Fourth Proportional to 447.10, 617.21 and 336.62
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Solution
The fourth proportional to 447.10, 617.21 and 336.62 is: 464.70
Step by Step Solution
- Step 1: Write the proportion equation
447.10 : 617.21 = 336.62 : x - Step 2: Convert to fraction form
447.10/617.21 = 336.62/x - Step 3: Cross multiply
447.10x = 617.21 × 336.62 - Step 4: Simplify right side
447.10x = 207,765.23 - Step 5: Solve for x
x = 207,765.23/447.10 - Step 6: Final answer
x = 464.70
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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.