Finding the Fourth Proportional to 163.99, 226.30 and 98.53
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Solution
The fourth proportional to 163.99, 226.30 and 98.53 is: 135.97
Step by Step Solution
- Step 1: Write the proportion equation
163.99 : 226.30 = 98.53 : x - Step 2: Convert to fraction form
163.99/226.30 = 98.53/x - Step 3: Cross multiply
163.99x = 226.30 × 98.53 - Step 4: Simplify right side
163.99x = 22,297.34 - Step 5: Solve for x
x = 22,297.34/163.99 - Step 6: Final answer
x = 135.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.