Finding the Fourth Proportional to 133.97, 185.74 and 126.68
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Solution
The fourth proportional to 133.97, 185.74 and 126.68 is: 175.63
Step by Step Solution
- Step 1: Write the proportion equation
133.97 : 185.74 = 126.68 : x - Step 2: Convert to fraction form
133.97/185.74 = 126.68/x - Step 3: Cross multiply
133.97x = 185.74 × 126.68 - Step 4: Simplify right side
133.97x = 23,528.77 - Step 5: Solve for x
x = 23,528.77/133.97 - Step 6: Final answer
x = 175.63
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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.