Finding the Fourth Proportional to 344.09, 474.99 and 239.33
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Solution
The fourth proportional to 344.09, 474.99 and 239.33 is: 330.38
Step by Step Solution
- Step 1: Write the proportion equation
344.09 : 474.99 = 239.33 : x - Step 2: Convert to fraction form
344.09/474.99 = 239.33/x - Step 3: Cross multiply
344.09x = 474.99 × 239.33 - Step 4: Simplify right side
344.09x = 113,679.36 - Step 5: Solve for x
x = 113,679.36/344.09 - Step 6: Final answer
x = 330.38
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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.