Finding the Fourth Proportional to 239.58, 359.09 and 141.99
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Solution
The fourth proportional to 239.58, 359.09 and 141.99 is: 212.82
Step by Step Solution
- Step 1: Write the proportion equation
239.58 : 359.09 = 141.99 : x - Step 2: Convert to fraction form
239.58/359.09 = 141.99/x - Step 3: Cross multiply
239.58x = 359.09 × 141.99 - Step 4: Simplify right side
239.58x = 50,986.48 - Step 5: Solve for x
x = 50,986.48/239.58 - Step 6: Final answer
x = 212.82
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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.