Finding the Fourth Proportional to 335.70, 503.57 and 173.70
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Solution
The fourth proportional to 335.70, 503.57 and 173.70 is: 260.56
Step by Step Solution
- Step 1: Write the proportion equation
335.70 : 503.57 = 173.70 : x - Step 2: Convert to fraction form
335.70/503.57 = 173.70/x - Step 3: Cross multiply
335.70x = 503.57 × 173.70 - Step 4: Simplify right side
335.70x = 87,469.24 - Step 5: Solve for x
x = 87,469.24/335.70 - Step 6: Final answer
x = 260.56
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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.