Finding the Fourth Proportional to 184.77, 276.93 and 130.68
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Solution
The fourth proportional to 184.77, 276.93 and 130.68 is: 195.86
Step by Step Solution
- Step 1: Write the proportion equation
184.77 : 276.93 = 130.68 : x - Step 2: Convert to fraction form
184.77/276.93 = 130.68/x - Step 3: Cross multiply
184.77x = 276.93 × 130.68 - Step 4: Simplify right side
184.77x = 36,189.21 - Step 5: Solve for x
x = 36,189.21/184.77 - Step 6: Final answer
x = 195.86
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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.