Finding the Fourth Proportional to 239.76, 358.02 and 235.44
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Solution
The fourth proportional to 239.76, 358.02 and 235.44 is: 351.57
Step by Step Solution
- Step 1: Write the proportion equation
239.76 : 358.02 = 235.44 : x - Step 2: Convert to fraction form
239.76/358.02 = 235.44/x - Step 3: Cross multiply
239.76x = 358.02 × 235.44 - Step 4: Simplify right side
239.76x = 84,292.23 - Step 5: Solve for x
x = 84,292.23/239.76 - Step 6: Final answer
x = 351.57
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.