Finding the Fourth Proportional to 235.08, 352.67 and 126.99
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Solution
The fourth proportional to 235.08, 352.67 and 126.99 is: 190.51
Step by Step Solution
- Step 1: Write the proportion equation
235.08 : 352.67 = 126.99 : x - Step 2: Convert to fraction form
235.08/352.67 = 126.99/x - Step 3: Cross multiply
235.08x = 352.67 × 126.99 - Step 4: Simplify right side
235.08x = 44,784.93 - Step 5: Solve for x
x = 44,784.93/235.08 - Step 6: Final answer
x = 190.51
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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.