Finding the Fourth Proportional to 234.99, 351.93 and 113.31
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Solution
The fourth proportional to 234.99, 351.93 and 113.31 is: 169.70
Step by Step Solution
- Step 1: Write the proportion equation
234.99 : 351.93 = 113.31 : x - Step 2: Convert to fraction form
234.99/351.93 = 113.31/x - Step 3: Cross multiply
234.99x = 351.93 × 113.31 - Step 4: Simplify right side
234.99x = 39,877.19 - Step 5: Solve for x
x = 39,877.19/234.99 - Step 6: Final answer
x = 169.70
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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.