Finding the Fourth Proportional to 184.19, 276.21 and 115.70
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Solution
The fourth proportional to 184.19, 276.21 and 115.70 is: 173.50
Step by Step Solution
- Step 1: Write the proportion equation
184.19 : 276.21 = 115.70 : x - Step 2: Convert to fraction form
184.19/276.21 = 115.70/x - Step 3: Cross multiply
184.19x = 276.21 × 115.70 - Step 4: Simplify right side
184.19x = 31,956.12 - Step 5: Solve for x
x = 31,956.12/184.19 - Step 6: Final answer
x = 173.50
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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.