Finding the Fourth Proportional to 927.99, 1,391.77 and 269.70
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Solution
The fourth proportional to 927.99, 1,391.77 and 269.70 is: 404.48
Step by Step Solution
- Step 1: Write the proportion equation
927.99 : 1,391.77 = 269.70 : x - Step 2: Convert to fraction form
927.99/1,391.77 = 269.70/x - Step 3: Cross multiply
927.99x = 1,391.77 × 269.70 - Step 4: Simplify right side
927.99x = 375,355.49 - Step 5: Solve for x
x = 375,355.49/927.99 - Step 6: Final answer
x = 404.48
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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.