Finding the Fourth Proportional to 239.42, 330.63 and 201.02
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Solution
The fourth proportional to 239.42, 330.63 and 201.02 is: 277.60
Step by Step Solution
- Step 1: Write the proportion equation
239.42 : 330.63 = 201.02 : x - Step 2: Convert to fraction form
239.42/330.63 = 201.02/x - Step 3: Cross multiply
239.42x = 330.63 × 201.02 - Step 4: Simplify right side
239.42x = 66,463.24 - Step 5: Solve for x
x = 66,463.24/239.42 - Step 6: Final answer
x = 277.60
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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.