Finding the Fourth Proportional to 181.99, 251.08 and 149.23
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Solution
The fourth proportional to 181.99, 251.08 and 149.23 is: 205.88
Step by Step Solution
- Step 1: Write the proportion equation
181.99 : 251.08 = 149.23 : x - Step 2: Convert to fraction form
181.99/251.08 = 149.23/x - Step 3: Cross multiply
181.99x = 251.08 × 149.23 - Step 4: Simplify right side
181.99x = 37,468.67 - Step 5: Solve for x
x = 37,468.67/181.99 - Step 6: Final answer
x = 205.88
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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.