Finding the Fourth Proportional to 239.69, 358.93 and 201.08
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Solution
The fourth proportional to 239.69, 358.93 and 201.08 is: 301.11
Step by Step Solution
- Step 1: Write the proportion equation
239.69 : 358.93 = 201.08 : x - Step 2: Convert to fraction form
239.69/358.93 = 201.08/x - Step 3: Cross multiply
239.69x = 358.93 × 201.08 - Step 4: Simplify right side
239.69x = 72,174.79 - Step 5: Solve for x
x = 72,174.79/239.69 - Step 6: Final answer
x = 301.11
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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.