Finding the Fourth Proportional to 83.99, 125.99 and 35.23
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Solution
The fourth proportional to 83.99, 125.99 and 35.23 is: 52.85
Step by Step Solution
- Step 1: Write the proportion equation
83.99 : 125.99 = 35.23 : x - Step 2: Convert to fraction form
83.99/125.99 = 35.23/x - Step 3: Cross multiply
83.99x = 125.99 × 35.23 - Step 4: Simplify right side
83.99x = 4,438.63 - Step 5: Solve for x
x = 4,438.63/83.99 - Step 6: Final answer
x = 52.85
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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.