Finding the Fourth Proportional to 234.74, 351.99 and 112.91
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Solution
The fourth proportional to 234.74, 351.99 and 112.91 is: 169.31
Step by Step Solution
- Step 1: Write the proportion equation
234.74 : 351.99 = 112.91 : x - Step 2: Convert to fraction form
234.74/351.99 = 112.91/x - Step 3: Cross multiply
234.74x = 351.99 × 112.91 - Step 4: Simplify right side
234.74x = 39,743.19 - Step 5: Solve for x
x = 39,743.19/234.74 - Step 6: Final answer
x = 169.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.