Finding the Fourth Proportional to 370.80, 555.99 and 154.26
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Solution
The fourth proportional to 370.80, 555.99 and 154.26 is: 231.30
Step by Step Solution
- Step 1: Write the proportion equation
370.80 : 555.99 = 154.26 : x - Step 2: Convert to fraction form
370.80/555.99 = 154.26/x - Step 3: Cross multiply
370.80x = 555.99 × 154.26 - Step 4: Simplify right side
370.80x = 85,764.24 - Step 5: Solve for x
x = 85,764.24/370.80 - Step 6: Final answer
x = 231.30
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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.