Finding the Fourth Proportional to 253.97, 380.63 and 116.99
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Solution
The fourth proportional to 253.97, 380.63 and 116.99 is: 175.33
Step by Step Solution
- Step 1: Write the proportion equation
253.97 : 380.63 = 116.99 : x - Step 2: Convert to fraction form
253.97/380.63 = 116.99/x - Step 3: Cross multiply
253.97x = 380.63 × 116.99 - Step 4: Simplify right side
253.97x = 44,528.29 - Step 5: Solve for x
x = 44,528.29/253.97 - Step 6: Final answer
x = 175.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.