Finding the Fourth Proportional to 460.26, 635.09 and 283.19
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Solution
The fourth proportional to 460.26, 635.09 and 283.19 is: 390.75
Step by Step Solution
- Step 1: Write the proportion equation
460.26 : 635.09 = 283.19 : x - Step 2: Convert to fraction form
460.26/635.09 = 283.19/x - Step 3: Cross multiply
460.26x = 635.09 × 283.19 - Step 4: Simplify right side
460.26x = 179,846.55 - Step 5: Solve for x
x = 179,846.55/460.26 - Step 6: Final answer
x = 390.75
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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.