Finding the Fourth Proportional to 441.70, 661.68 and 235.99
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Solution
The fourth proportional to 441.70, 661.68 and 235.99 is: 353.52
Step by Step Solution
- Step 1: Write the proportion equation
441.70 : 661.68 = 235.99 : x - Step 2: Convert to fraction form
441.70/661.68 = 235.99/x - Step 3: Cross multiply
441.70x = 661.68 × 235.99 - Step 4: Simplify right side
441.70x = 156,149.86 - Step 5: Solve for x
x = 156,149.86/441.70 - Step 6: Final answer
x = 353.52
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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.