Finding the Fourth Proportional to 237.99, 357.09 and 122.50
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Solution
The fourth proportional to 237.99, 357.09 and 122.50 is: 183.80
Step by Step Solution
- Step 1: Write the proportion equation
237.99 : 357.09 = 122.50 : x - Step 2: Convert to fraction form
237.99/357.09 = 122.50/x - Step 3: Cross multiply
237.99x = 357.09 × 122.50 - Step 4: Simplify right side
237.99x = 43,743.53 - Step 5: Solve for x
x = 43,743.53/237.99 - Step 6: Final answer
x = 183.80
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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.