Finding the Fourth Proportional to 443.14, 611.41 and 265.99
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Solution
The fourth proportional to 443.14, 611.41 and 265.99 is: 366.99
Step by Step Solution
- Step 1: Write the proportion equation
443.14 : 611.41 = 265.99 : x - Step 2: Convert to fraction form
443.14/611.41 = 265.99/x - Step 3: Cross multiply
443.14x = 611.41 × 265.99 - Step 4: Simplify right side
443.14x = 162,628.95 - Step 5: Solve for x
x = 162,628.95/443.14 - Step 6: Final answer
x = 366.99
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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.