Finding the Fourth Proportional to 239.87, 358.97 and 204.23
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Solution
The fourth proportional to 239.87, 358.97 and 204.23 is: 305.63
Step by Step Solution
- Step 1: Write the proportion equation
239.87 : 358.97 = 204.23 : x - Step 2: Convert to fraction form
239.87/358.97 = 204.23/x - Step 3: Cross multiply
239.87x = 358.97 × 204.23 - Step 4: Simplify right side
239.87x = 73,312.32 - Step 5: Solve for x
x = 73,312.32/239.87 - Step 6: Final answer
x = 305.63
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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.