Finding the Fourth Proportional to 450.74, 622.08 and 254.26
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Solution
The fourth proportional to 450.74, 622.08 and 254.26 is: 350.91
Step by Step Solution
- Step 1: Write the proportion equation
450.74 : 622.08 = 254.26 : x - Step 2: Convert to fraction form
450.74/622.08 = 254.26/x - Step 3: Cross multiply
450.74x = 622.08 × 254.26 - Step 4: Simplify right side
450.74x = 158,170.06 - Step 5: Solve for x
x = 158,170.06/450.74 - Step 6: Final answer
x = 350.91
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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.