Finding the Fourth Proportional to 235.64, 353.00 and 113.99
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Solution
The fourth proportional to 235.64, 353.00 and 113.99 is: 170.76
Step by Step Solution
- Step 1: Write the proportion equation
235.64 : 353.00 = 113.99 : x - Step 2: Convert to fraction form
235.64/353.00 = 113.99/x - Step 3: Cross multiply
235.64x = 353.00 × 113.99 - Step 4: Simplify right side
235.64x = 40,237.44 - Step 5: Solve for x
x = 40,237.44/235.64 - Step 6: Final answer
x = 170.76
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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.