Finding the Fourth Proportional to 446.85, 616.77 and 306.99
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Solution
The fourth proportional to 446.85, 616.77 and 306.99 is: 423.73
Step by Step Solution
- Step 1: Write the proportion equation
446.85 : 616.77 = 306.99 : x - Step 2: Convert to fraction form
446.85/616.77 = 306.99/x - Step 3: Cross multiply
446.85x = 616.77 × 306.99 - Step 4: Simplify right side
446.85x = 189,342.22 - Step 5: Solve for x
x = 189,342.22/446.85 - Step 6: Final answer
x = 423.73
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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.