Finding the Fourth Proportional to 119.26, 178.87 and 38.08
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Solution
The fourth proportional to 119.26, 178.87 and 38.08 is: 57.11
Step by Step Solution
- Step 1: Write the proportion equation
119.26 : 178.87 = 38.08 : x - Step 2: Convert to fraction form
119.26/178.87 = 38.08/x - Step 3: Cross multiply
119.26x = 178.87 × 38.08 - Step 4: Simplify right side
119.26x = 6,811.18 - Step 5: Solve for x
x = 6,811.18/119.26 - Step 6: Final answer
x = 57.11
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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.