Finding the Fourth Proportional to 381.11, 525.74 and 240.99
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Solution
The fourth proportional to 381.11, 525.74 and 240.99 is: 332.44
Step by Step Solution
- Step 1: Write the proportion equation
381.11 : 525.74 = 240.99 : x - Step 2: Convert to fraction form
381.11/525.74 = 240.99/x - Step 3: Cross multiply
381.11x = 525.74 × 240.99 - Step 4: Simplify right side
381.11x = 126,697.33 - Step 5: Solve for x
x = 126,697.33/381.11 - Step 6: Final answer
x = 332.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.