Finding the Fourth Proportional to 261.23, 360.99 and 195.62
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Solution
The fourth proportional to 261.23, 360.99 and 195.62 is: 270.32
Step by Step Solution
- Step 1: Write the proportion equation
261.23 : 360.99 = 195.62 : x - Step 2: Convert to fraction form
261.23/360.99 = 195.62/x - Step 3: Cross multiply
261.23x = 360.99 × 195.62 - Step 4: Simplify right side
261.23x = 70,615.06 - Step 5: Solve for x
x = 70,615.06/261.23 - Step 6: Final answer
x = 270.32
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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.