Finding the Fourth Proportional to 338.20, 506.87 and 183.75
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Solution
The fourth proportional to 338.20, 506.87 and 183.75 is: 275.39
Step by Step Solution
- Step 1: Write the proportion equation
338.20 : 506.87 = 183.75 : x - Step 2: Convert to fraction form
338.20/506.87 = 183.75/x - Step 3: Cross multiply
338.20x = 506.87 × 183.75 - Step 4: Simplify right side
338.20x = 93,135.23 - Step 5: Solve for x
x = 93,135.23/338.20 - Step 6: Final answer
x = 275.39
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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.