Finding the Fourth Proportional to 351.26, 484.58 and 239.09
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Solution
The fourth proportional to 351.26, 484.58 and 239.09 is: 329.84
Step by Step Solution
- Step 1: Write the proportion equation
351.26 : 484.58 = 239.09 : x - Step 2: Convert to fraction form
351.26/484.58 = 239.09/x - Step 3: Cross multiply
351.26x = 484.58 × 239.09 - Step 4: Simplify right side
351.26x = 115,858.23 - Step 5: Solve for x
x = 115,858.23/351.26 - Step 6: Final answer
x = 329.84
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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.