Finding the Fourth Proportional to 216.99, 299.01 and 170.42
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Solution
The fourth proportional to 216.99, 299.01 and 170.42 is: 234.83
Step by Step Solution
- Step 1: Write the proportion equation
216.99 : 299.01 = 170.42 : x - Step 2: Convert to fraction form
216.99/299.01 = 170.42/x - Step 3: Cross multiply
216.99x = 299.01 × 170.42 - Step 4: Simplify right side
216.99x = 50,955.79 - Step 5: Solve for x
x = 50,955.79/216.99 - Step 6: Final answer
x = 234.83
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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.