Finding the Fourth Proportional to 239.01, 358.09 and 130.87
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Solution
The fourth proportional to 239.01, 358.09 and 130.87 is: 196.07
Step by Step Solution
- Step 1: Write the proportion equation
239.01 : 358.09 = 130.87 : x - Step 2: Convert to fraction form
239.01/358.09 = 130.87/x - Step 3: Cross multiply
239.01x = 358.09 × 130.87 - Step 4: Simplify right side
239.01x = 46,863.24 - Step 5: Solve for x
x = 46,863.24/239.01 - Step 6: Final answer
x = 196.07
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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.