Finding the Fourth Proportional to 436.44, 653.99 and 344.91
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Solution
The fourth proportional to 436.44, 653.99 and 344.91 is: 516.83
Step by Step Solution
- Step 1: Write the proportion equation
436.44 : 653.99 = 344.91 : x - Step 2: Convert to fraction form
436.44/653.99 = 344.91/x - Step 3: Cross multiply
436.44x = 653.99 × 344.91 - Step 4: Simplify right side
436.44x = 225,565.97 - Step 5: Solve for x
x = 225,565.97/436.44 - Step 6: Final answer
x = 516.83
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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.