Finding the Fourth Proportional to 180.99, 271.69 and 99.99
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Solution
The fourth proportional to 180.99, 271.69 and 99.99 is: 150.10
Step by Step Solution
- Step 1: Write the proportion equation
180.99 : 271.69 = 99.99 : x - Step 2: Convert to fraction form
180.99/271.69 = 99.99/x - Step 3: Cross multiply
180.99x = 271.69 × 99.99 - Step 4: Simplify right side
180.99x = 27,166.03 - Step 5: Solve for x
x = 27,166.03/180.99 - Step 6: Final answer
x = 150.10
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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.