Finding the Fourth Proportional to 150.21, 207.14 and 126.95
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Solution
The fourth proportional to 150.21, 207.14 and 126.95 is: 175.05
Step by Step Solution
- Step 1: Write the proportion equation
150.21 : 207.14 = 126.95 : x - Step 2: Convert to fraction form
150.21/207.14 = 126.95/x - Step 3: Cross multiply
150.21x = 207.14 × 126.95 - Step 4: Simplify right side
150.21x = 26,294.75 - Step 5: Solve for x
x = 26,294.75/150.21 - Step 6: Final answer
x = 175.05
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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.