Finding the Fourth Proportional to 400.24, 599.63 and 335.65
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Solution
The fourth proportional to 400.24, 599.63 and 335.65 is: 502.87
Step by Step Solution
- Step 1: Write the proportion equation
400.24 : 599.63 = 335.65 : x - Step 2: Convert to fraction form
400.24/599.63 = 335.65/x - Step 3: Cross multiply
400.24x = 599.63 × 335.65 - Step 4: Simplify right side
400.24x = 201,268.08 - Step 5: Solve for x
x = 201,268.08/400.24 - Step 6: Final answer
x = 502.87
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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.