Finding the Fourth Proportional to 163.99, 244.79 and 156.01
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Solution
The fourth proportional to 163.99, 244.79 and 156.01 is: 232.88
Step by Step Solution
- Step 1: Write the proportion equation
163.99 : 244.79 = 156.01 : x - Step 2: Convert to fraction form
163.99/244.79 = 156.01/x - Step 3: Cross multiply
163.99x = 244.79 × 156.01 - Step 4: Simplify right side
163.99x = 38,189.69 - Step 5: Solve for x
x = 38,189.69/163.99 - Step 6: Final answer
x = 232.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.