Finding the Fourth Proportional to 435.97, 653.36 and 240.68
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Solution
The fourth proportional to 435.97, 653.36 and 240.68 is: 360.69
Step by Step Solution
- Step 1: Write the proportion equation
435.97 : 653.36 = 240.68 : x - Step 2: Convert to fraction form
435.97/653.36 = 240.68/x - Step 3: Cross multiply
435.97x = 653.36 × 240.68 - Step 4: Simplify right side
435.97x = 157,250.97 - Step 5: Solve for x
x = 157,250.97/435.97 - Step 6: Final answer
x = 360.69
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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.