Finding the Fourth Proportional to 239.76, 358.74 and 226.08
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Solution
The fourth proportional to 239.76, 358.74 and 226.08 is: 338.27
Step by Step Solution
- Step 1: Write the proportion equation
239.76 : 358.74 = 226.08 : x - Step 2: Convert to fraction form
239.76/358.74 = 226.08/x - Step 3: Cross multiply
239.76x = 358.74 × 226.08 - Step 4: Simplify right side
239.76x = 81,103.94 - Step 5: Solve for x
x = 81,103.94/239.76 - Step 6: Final answer
x = 338.27
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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.