Finding the Fourth Proportional to 447.93, 617.99 and 292.41
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Solution
The fourth proportional to 447.93, 617.99 and 292.41 is: 403.42
Step by Step Solution
- Step 1: Write the proportion equation
447.93 : 617.99 = 292.41 : x - Step 2: Convert to fraction form
447.93/617.99 = 292.41/x - Step 3: Cross multiply
447.93x = 617.99 × 292.41 - Step 4: Simplify right side
447.93x = 180,704.99 - Step 5: Solve for x
x = 180,704.99/447.93 - Step 6: Final answer
x = 403.42
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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.