Finding the Fourth Proportional to 461.19, 636.44 and 254.19
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Solution
The fourth proportional to 461.19, 636.44 and 254.19 is: 350.78
Step by Step Solution
- Step 1: Write the proportion equation
461.19 : 636.44 = 254.19 : x - Step 2: Convert to fraction form
461.19/636.44 = 254.19/x - Step 3: Cross multiply
461.19x = 636.44 × 254.19 - Step 4: Simplify right side
461.19x = 161,776.68 - Step 5: Solve for x
x = 161,776.68/461.19 - Step 6: Final answer
x = 350.78
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1.5x scale
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.