Finding the Fourth Proportional to 269.83, 404.79 and 177.31
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Solution
The fourth proportional to 269.83, 404.79 and 177.31 is: 265.99
Step by Step Solution
- Step 1: Write the proportion equation
269.83 : 404.79 = 177.31 : x - Step 2: Convert to fraction form
269.83/404.79 = 177.31/x - Step 3: Cross multiply
269.83x = 404.79 × 177.31 - Step 4: Simplify right side
269.83x = 71,773.31 - Step 5: Solve for x
x = 71,773.31/269.83 - Step 6: Final answer
x = 265.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.