Finding the Fourth Proportional to 393.97, 591.02 and 133.99
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Solution
The fourth proportional to 393.97, 591.02 and 133.99 is: 201.01
Step by Step Solution
- Step 1: Write the proportion equation
393.97 : 591.02 = 133.99 : x - Step 2: Convert to fraction form
393.97/591.02 = 133.99/x - Step 3: Cross multiply
393.97x = 591.02 × 133.99 - Step 4: Simplify right side
393.97x = 79,190.77 - Step 5: Solve for x
x = 79,190.77/393.97 - Step 6: Final answer
x = 201.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.