Finding the Fourth Proportional to 400.14, 600.62 and 195.21
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Solution
The fourth proportional to 400.14, 600.62 and 195.21 is: 293.01
Step by Step Solution
- Step 1: Write the proportion equation
400.14 : 600.62 = 195.21 : x - Step 2: Convert to fraction form
400.14/600.62 = 195.21/x - Step 3: Cross multiply
400.14x = 600.62 × 195.21 - Step 4: Simplify right side
400.14x = 117,246.05 - Step 5: Solve for x
x = 117,246.05/400.14 - Step 6: Final answer
x = 293.01
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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.