Finding the Fourth Proportional to 339.09, 467.99 and 199.26
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Solution
The fourth proportional to 339.09, 467.99 and 199.26 is: 275.01
Step by Step Solution
- Step 1: Write the proportion equation
339.09 : 467.99 = 199.26 : x - Step 2: Convert to fraction form
339.09/467.99 = 199.26/x - Step 3: Cross multiply
339.09x = 467.99 × 199.26 - Step 4: Simplify right side
339.09x = 93,251.69 - Step 5: Solve for x
x = 93,251.69/339.09 - Step 6: Final answer
x = 275.01
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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.