Finding the Fourth Proportional to 327.10, 451.44 and 202.79
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Solution
The fourth proportional to 327.10, 451.44 and 202.79 is: 279.88
Step by Step Solution
- Step 1: Write the proportion equation
327.10 : 451.44 = 202.79 : x - Step 2: Convert to fraction form
327.10/451.44 = 202.79/x - Step 3: Cross multiply
327.10x = 451.44 × 202.79 - Step 4: Simplify right side
327.10x = 91,548.65 - Step 5: Solve for x
x = 91,548.65/327.10 - Step 6: Final answer
x = 279.88
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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.