Finding the Fourth Proportional to 253.99, 350.26 and 160.75
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Solution
The fourth proportional to 253.99, 350.26 and 160.75 is: 221.68
Step by Step Solution
- Step 1: Write the proportion equation
253.99 : 350.26 = 160.75 : x - Step 2: Convert to fraction form
253.99/350.26 = 160.75/x - Step 3: Cross multiply
253.99x = 350.26 × 160.75 - Step 4: Simplify right side
253.99x = 56,304.30 - Step 5: Solve for x
x = 56,304.30/253.99 - Step 6: Final answer
x = 221.68
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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.