Finding the Fourth Proportional to 182.40, 273.53 and 90.99
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Solution
The fourth proportional to 182.40, 273.53 and 90.99 is: 136.45
Step by Step Solution
- Step 1: Write the proportion equation
182.40 : 273.53 = 90.99 : x - Step 2: Convert to fraction form
182.40/273.53 = 90.99/x - Step 3: Cross multiply
182.40x = 273.53 × 90.99 - Step 4: Simplify right side
182.40x = 24,888.21 - Step 5: Solve for x
x = 24,888.21/182.40 - Step 6: Final answer
x = 136.45
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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.