Finding the Fourth Proportional to 672.08, 927.19 and 423.26
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Solution
The fourth proportional to 672.08, 927.19 and 423.26 is: 583.92
Step by Step Solution
- Step 1: Write the proportion equation
672.08 : 927.19 = 423.26 : x - Step 2: Convert to fraction form
672.08/927.19 = 423.26/x - Step 3: Cross multiply
672.08x = 927.19 × 423.26 - Step 4: Simplify right side
672.08x = 392,436.75 - Step 5: Solve for x
x = 392,436.75/672.08 - Step 6: Final answer
x = 583.92
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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.