Finding the Fourth Proportional to 400.26, 600.36 and 357.06
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Solution
The fourth proportional to 400.26, 600.36 and 357.06 is: 535.56
Step by Step Solution
- Step 1: Write the proportion equation
400.26 : 600.36 = 357.06 : x - Step 2: Convert to fraction form
400.26/600.36 = 357.06/x - Step 3: Cross multiply
400.26x = 600.36 × 357.06 - Step 4: Simplify right side
400.26x = 214,364.54 - Step 5: Solve for x
x = 214,364.54/400.26 - Step 6: Final answer
x = 535.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.