Finding the Fourth Proportional to 269.31, 403.97 and 106.99
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Solution
The fourth proportional to 269.31, 403.97 and 106.99 is: 160.49
Step by Step Solution
- Step 1: Write the proportion equation
269.31 : 403.97 = 106.99 : x - Step 2: Convert to fraction form
269.31/403.97 = 106.99/x - Step 3: Cross multiply
269.31x = 403.97 × 106.99 - Step 4: Simplify right side
269.31x = 43,221.48 - Step 5: Solve for x
x = 43,221.48/269.31 - Step 6: Final answer
x = 160.49
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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.