Finding the Fourth Proportional to 299.26, 412.99 and 173.24
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Solution
The fourth proportional to 299.26, 412.99 and 173.24 is: 239.09
Step by Step Solution
- Step 1: Write the proportion equation
299.26 : 412.99 = 173.24 : x - Step 2: Convert to fraction form
299.26/412.99 = 173.24/x - Step 3: Cross multiply
299.26x = 412.99 × 173.24 - Step 4: Simplify right side
299.26x = 71,548.15 - Step 5: Solve for x
x = 71,548.15/299.26 - Step 6: Final answer
x = 239.09
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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.