Finding the Fourth Proportional to 235.19, 324.99 and 195.80
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Solution
The fourth proportional to 235.19, 324.99 and 195.80 is: 270.56
Step by Step Solution
- Step 1: Write the proportion equation
235.19 : 324.99 = 195.80 : x - Step 2: Convert to fraction form
235.19/324.99 = 195.80/x - Step 3: Cross multiply
235.19x = 324.99 × 195.80 - Step 4: Simplify right side
235.19x = 63,631.42 - Step 5: Solve for x
x = 63,631.42/235.19 - Step 6: Final answer
x = 270.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.