Finding the Fourth Proportional to 400.28, 600.18 and 335.68
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Solution
The fourth proportional to 400.28, 600.18 and 335.68 is: 503.32
Step by Step Solution
- Step 1: Write the proportion equation
400.28 : 600.18 = 335.68 : x - Step 2: Convert to fraction form
400.28/600.18 = 335.68/x - Step 3: Cross multiply
400.28x = 600.18 × 335.68 - Step 4: Simplify right side
400.28x = 201,467.91 - Step 5: Solve for x
x = 201,467.91/400.28 - Step 6: Final answer
x = 503.32
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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.