Finding the Fourth Proportional to 149.26, 205.84 and 94.01
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Solution
The fourth proportional to 149.26, 205.84 and 94.01 is: 129.65
Step by Step Solution
- Step 1: Write the proportion equation
149.26 : 205.84 = 94.01 : x - Step 2: Convert to fraction form
149.26/205.84 = 94.01/x - Step 3: Cross multiply
149.26x = 205.84 × 94.01 - Step 4: Simplify right side
149.26x = 19,351.02 - Step 5: Solve for x
x = 19,351.02/149.26 - Step 6: Final answer
x = 129.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.