Finding the Fourth Proportional to 247.05, 370.24 and 203.99
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Solution
The fourth proportional to 247.05, 370.24 and 203.99 is: 305.70
Step by Step Solution
- Step 1: Write the proportion equation
247.05 : 370.24 = 203.99 : x - Step 2: Convert to fraction form
247.05/370.24 = 203.99/x - Step 3: Cross multiply
247.05x = 370.24 × 203.99 - Step 4: Simplify right side
247.05x = 75,522.90 - Step 5: Solve for x
x = 75,522.90/247.05 - Step 6: Final answer
x = 305.70
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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.