Finding the Fourth Proportional to 302.20, 416.97 and 171.19
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Solution
The fourth proportional to 302.20, 416.97 and 171.19 is: 236.20
Step by Step Solution
- Step 1: Write the proportion equation
302.20 : 416.97 = 171.19 : x - Step 2: Convert to fraction form
302.20/416.97 = 171.19/x - Step 3: Cross multiply
302.20x = 416.97 × 171.19 - Step 4: Simplify right side
302.20x = 71,381.09 - Step 5: Solve for x
x = 71,381.09/302.20 - Step 6: Final answer
x = 236.20
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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.