Finding the Fourth Proportional to 435.96, 653.09 and 252.97
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Solution
The fourth proportional to 435.96, 653.09 and 252.97 is: 378.96
Step by Step Solution
- Step 1: Write the proportion equation
435.96 : 653.09 = 252.97 : x - Step 2: Convert to fraction form
435.96/653.09 = 252.97/x - Step 3: Cross multiply
435.96x = 653.09 × 252.97 - Step 4: Simplify right side
435.96x = 165,210.91 - Step 5: Solve for x
x = 165,210.91/435.96 - Step 6: Final answer
x = 378.96
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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.