Finding the Fourth Proportional to 292.70, 438.36 and 240.98
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Solution
The fourth proportional to 292.70, 438.36 and 240.98 is: 360.90
Step by Step Solution
- Step 1: Write the proportion equation
292.70 : 438.36 = 240.98 : x - Step 2: Convert to fraction form
292.70/438.36 = 240.98/x - Step 3: Cross multiply
292.70x = 438.36 × 240.98 - Step 4: Simplify right side
292.70x = 105,635.99 - Step 5: Solve for x
x = 105,635.99/292.70 - Step 6: Final answer
x = 360.90
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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.