Finding the Fourth Proportional to 150.06, 207.08 and 87.88
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Solution
The fourth proportional to 150.06, 207.08 and 87.88 is: 121.27
Step by Step Solution
- Step 1: Write the proportion equation
150.06 : 207.08 = 87.88 : x - Step 2: Convert to fraction form
150.06/207.08 = 87.88/x - Step 3: Cross multiply
150.06x = 207.08 × 87.88 - Step 4: Simplify right side
150.06x = 18,197.75 - Step 5: Solve for x
x = 18,197.75/150.06 - Step 6: Final answer
x = 121.27
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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.