Finding the Fourth Proportional to 301.76, 416.30 and 185.25
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Solution
The fourth proportional to 301.76, 416.30 and 185.25 is: 255.57
Step by Step Solution
- Step 1: Write the proportion equation
301.76 : 416.30 = 185.25 : x - Step 2: Convert to fraction form
301.76/416.30 = 185.25/x - Step 3: Cross multiply
301.76x = 416.30 × 185.25 - Step 4: Simplify right side
301.76x = 77,118.65 - Step 5: Solve for x
x = 77,118.65/301.76 - Step 6: Final answer
x = 255.57
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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.