Finding the Fourth Proportional to 339.36, 467.67 and 276.99
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Solution
The fourth proportional to 339.36, 467.67 and 276.99 is: 381.72
Step by Step Solution
- Step 1: Write the proportion equation
339.36 : 467.67 = 276.99 : x - Step 2: Convert to fraction form
339.36/467.67 = 276.99/x - Step 3: Cross multiply
339.36x = 467.67 × 276.99 - Step 4: Simplify right side
339.36x = 129,539.91 - Step 5: Solve for x
x = 129,539.91/339.36 - Step 6: Final answer
x = 381.72
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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.