Finding the Fourth Proportional to 261.36, 360.62 and 163.08
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Solution
The fourth proportional to 261.36, 360.62 and 163.08 is: 225.01
Step by Step Solution
- Step 1: Write the proportion equation
261.36 : 360.62 = 163.08 : x - Step 2: Convert to fraction form
261.36/360.62 = 163.08/x - Step 3: Cross multiply
261.36x = 360.62 × 163.08 - Step 4: Simplify right side
261.36x = 58,809.91 - Step 5: Solve for x
x = 58,809.91/261.36 - Step 6: Final answer
x = 225.01
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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.