Finding the Fourth Proportional to 247.08, 370.44 and 92.99
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Solution
The fourth proportional to 247.08, 370.44 and 92.99 is: 139.42
Step by Step Solution
- Step 1: Write the proportion equation
247.08 : 370.44 = 92.99 : x - Step 2: Convert to fraction form
247.08/370.44 = 92.99/x - Step 3: Cross multiply
247.08x = 370.44 × 92.99 - Step 4: Simplify right side
247.08x = 34,448.14 - Step 5: Solve for x
x = 34,448.14/247.08 - Step 6: Final answer
x = 139.42
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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.