Finding the Fourth Proportional to 110.24, 152.09 and 98.09
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Solution
The fourth proportional to 110.24, 152.09 and 98.09 is: 135.33
Step by Step Solution
- Step 1: Write the proportion equation
110.24 : 152.09 = 98.09 : x - Step 2: Convert to fraction form
110.24/152.09 = 98.09/x - Step 3: Cross multiply
110.24x = 152.09 × 98.09 - Step 4: Simplify right side
110.24x = 14,917.75 - Step 5: Solve for x
x = 14,917.75/110.24 - Step 6: Final answer
x = 135.33
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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.