Finding the Fourth Proportional to 338.68, 467.33 and 191.31
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Solution
The fourth proportional to 338.68, 467.33 and 191.31 is: 263.98
Step by Step Solution
- Step 1: Write the proportion equation
338.68 : 467.33 = 191.31 : x - Step 2: Convert to fraction form
338.68/467.33 = 191.31/x - Step 3: Cross multiply
338.68x = 467.33 × 191.31 - Step 4: Simplify right side
338.68x = 89,404.90 - Step 5: Solve for x
x = 89,404.90/338.68 - Step 6: Final answer
x = 263.98
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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.