Finding the Fourth Proportional to 336.89, 465.09 and 218.99
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Solution
The fourth proportional to 336.89, 465.09 and 218.99 is: 302.32
Step by Step Solution
- Step 1: Write the proportion equation
336.89 : 465.09 = 218.99 : x - Step 2: Convert to fraction form
336.89/465.09 = 218.99/x - Step 3: Cross multiply
336.89x = 465.09 × 218.99 - Step 4: Simplify right side
336.89x = 101,850.06 - Step 5: Solve for x
x = 101,850.06/336.89 - Step 6: Final answer
x = 302.32
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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.