Finding the Fourth Proportional to 327.44, 491.36 and 135.06
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Solution
The fourth proportional to 327.44, 491.36 and 135.06 is: 202.67
Step by Step Solution
- Step 1: Write the proportion equation
327.44 : 491.36 = 135.06 : x - Step 2: Convert to fraction form
327.44/491.36 = 135.06/x - Step 3: Cross multiply
327.44x = 491.36 × 135.06 - Step 4: Simplify right side
327.44x = 66,363.08 - Step 5: Solve for x
x = 66,363.08/327.44 - Step 6: Final answer
x = 202.67
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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.