Finding the Fourth Proportional to 150.26, 207.41 and 113.42
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Solution
The fourth proportional to 150.26, 207.41 and 113.42 is: 156.57
Step by Step Solution
- Step 1: Write the proportion equation
150.26 : 207.41 = 113.42 : x - Step 2: Convert to fraction form
150.26/207.41 = 113.42/x - Step 3: Cross multiply
150.26x = 207.41 × 113.42 - Step 4: Simplify right side
150.26x = 23,525.24 - Step 5: Solve for x
x = 23,525.24/150.26 - Step 6: Final answer
x = 156.57
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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.