Finding the Fourth Proportional to 443.16, 611.34 and 266.03
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Solution
The fourth proportional to 443.16, 611.34 and 266.03 is: 366.99
Step by Step Solution
- Step 1: Write the proportion equation
443.16 : 611.34 = 266.03 : x - Step 2: Convert to fraction form
443.16/611.34 = 266.03/x - Step 3: Cross multiply
443.16x = 611.34 × 266.03 - Step 4: Simplify right side
443.16x = 162,634.78 - Step 5: Solve for x
x = 162,634.78/443.16 - 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.