Finding the Fourth Proportional to 292.75, 438.87 and 110.14
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Solution
The fourth proportional to 292.75, 438.87 and 110.14 is: 165.11
Step by Step Solution
- Step 1: Write the proportion equation
292.75 : 438.87 = 110.14 : x - Step 2: Convert to fraction form
292.75/438.87 = 110.14/x - Step 3: Cross multiply
292.75x = 438.87 × 110.14 - Step 4: Simplify right side
292.75x = 48,337.14 - Step 5: Solve for x
x = 48,337.14/292.75 - Step 6: Final answer
x = 165.11
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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.