Finding the Fourth Proportional to 399.97, 599.49 and 262.99
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Solution
The fourth proportional to 399.97, 599.49 and 262.99 is: 394.18
Step by Step Solution
- Step 1: Write the proportion equation
399.97 : 599.49 = 262.99 : x - Step 2: Convert to fraction form
399.97/599.49 = 262.99/x - Step 3: Cross multiply
399.97x = 599.49 × 262.99 - Step 4: Simplify right side
399.97x = 157,659.88 - Step 5: Solve for x
x = 157,659.88/399.97 - Step 6: Final answer
x = 394.18
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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.