Finding the Fourth Proportional to 445.99, 614.19 and 444.64
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Solution
The fourth proportional to 445.99, 614.19 and 444.64 is: 612.33
Step by Step Solution
- Step 1: Write the proportion equation
445.99 : 614.19 = 444.64 : x - Step 2: Convert to fraction form
445.99/614.19 = 444.64/x - Step 3: Cross multiply
445.99x = 614.19 × 444.64 - Step 4: Simplify right side
445.99x = 273,093.44 - Step 5: Solve for x
x = 273,093.44/445.99 - Step 6: Final answer
x = 612.33
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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.