Finding the Fourth Proportional to 370.63, 555.79 and 197.26
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Solution
The fourth proportional to 370.63, 555.79 and 197.26 is: 295.81
Step by Step Solution
- Step 1: Write the proportion equation
370.63 : 555.79 = 197.26 : x - Step 2: Convert to fraction form
370.63/555.79 = 197.26/x - Step 3: Cross multiply
370.63x = 555.79 × 197.26 - Step 4: Simplify right side
370.63x = 109,635.14 - Step 5: Solve for x
x = 109,635.14/370.63 - Step 6: Final answer
x = 295.81
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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.