Finding the Fourth Proportional to 170.08, 255.36 and 98
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Solution
The fourth proportional to 170.08, 255.36 and 98 is: 147.14
Step by Step Solution
- Step 1: Write the proportion equation
170.08 : 255.36 = 98 : x - Step 2: Convert to fraction form
170.08/255.36 = 98/x - Step 3: Cross multiply
170.08x = 255.36 × 98 - Step 4: Simplify right side
170.08x = 25,025.28 - Step 5: Solve for x
x = 25,025.28/170.08 - Step 6: Final answer
x = 147.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.