Finding the Fourth Proportional to 163.99, 226.17 and 98.48
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Solution
The fourth proportional to 163.99, 226.17 and 98.48 is: 135.82
Step by Step Solution
- Step 1: Write the proportion equation
163.99 : 226.17 = 98.48 : x - Step 2: Convert to fraction form
163.99/226.17 = 98.48/x - Step 3: Cross multiply
163.99x = 226.17 × 98.48 - Step 4: Simplify right side
163.99x = 22,273.79 - Step 5: Solve for x
x = 22,273.79/163.99 - Step 6: Final answer
x = 135.82
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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.