Finding the Fourth Proportional to 239.21, 358.84 and 102.26
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Solution
The fourth proportional to 239.21, 358.84 and 102.26 is: 153.40
Step by Step Solution
- Step 1: Write the proportion equation
239.21 : 358.84 = 102.26 : x - Step 2: Convert to fraction form
239.21/358.84 = 102.26/x - Step 3: Cross multiply
239.21x = 358.84 × 102.26 - Step 4: Simplify right side
239.21x = 36,695.72 - Step 5: Solve for x
x = 36,695.72/239.21 - Step 6: Final answer
x = 153.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.