Finding the Fourth Proportional to 301.70, 416.34 and 170.70
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Solution
The fourth proportional to 301.70, 416.34 and 170.70 is: 235.57
Step by Step Solution
- Step 1: Write the proportion equation
301.70 : 416.34 = 170.70 : x - Step 2: Convert to fraction form
301.70/416.34 = 170.70/x - Step 3: Cross multiply
301.70x = 416.34 × 170.70 - Step 4: Simplify right side
301.70x = 71,069.24 - Step 5: Solve for x
x = 71,069.24/301.70 - Step 6: Final answer
x = 235.57
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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.