Finding the Fourth Proportional to 370.44, 555.84 and 153.99
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Solution
The fourth proportional to 370.44, 555.84 and 153.99 is: 231.06
Step by Step Solution
- Step 1: Write the proportion equation
370.44 : 555.84 = 153.99 : x - Step 2: Convert to fraction form
370.44/555.84 = 153.99/x - Step 3: Cross multiply
370.44x = 555.84 × 153.99 - Step 4: Simplify right side
370.44x = 85,593.80 - Step 5: Solve for x
x = 85,593.80/370.44 - Step 6: Final answer
x = 231.06
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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.