Finding the Fourth Proportional to 110.51, 152.56 and 69.09
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Solution
The fourth proportional to 110.51, 152.56 and 69.09 is: 95.38
Step by Step Solution
- Step 1: Write the proportion equation
110.51 : 152.56 = 69.09 : x - Step 2: Convert to fraction form
110.51/152.56 = 69.09/x - Step 3: Cross multiply
110.51x = 152.56 × 69.09 - Step 4: Simplify right side
110.51x = 10,540.69 - Step 5: Solve for x
x = 10,540.69/110.51 - Step 6: Final answer
x = 95.38
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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.