Finding the Fourth Proportional to 235.04, 352.68 and 98.18
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Solution
The fourth proportional to 235.04, 352.68 and 98.18 is: 147.32
Step by Step Solution
- Step 1: Write the proportion equation
235.04 : 352.68 = 98.18 : x - Step 2: Convert to fraction form
235.04/352.68 = 98.18/x - Step 3: Cross multiply
235.04x = 352.68 × 98.18 - Step 4: Simplify right side
235.04x = 34,625.20 - Step 5: Solve for x
x = 34,625.20/235.04 - Step 6: Final answer
x = 147.32
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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.