Finding the Fourth Proportional to 239.64, 358.60 and 201.16
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Solution
The fourth proportional to 239.64, 358.60 and 201.16 is: 301.02
Step by Step Solution
- Step 1: Write the proportion equation
239.64 : 358.60 = 201.16 : x - Step 2: Convert to fraction form
239.64/358.60 = 201.16/x - Step 3: Cross multiply
239.64x = 358.60 × 201.16 - Step 4: Simplify right side
239.64x = 72,135.98 - Step 5: Solve for x
x = 72,135.98/239.64 - Step 6: Final answer
x = 301.02
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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.