Finding the Fourth Proportional to 370.60, 555.74 and 113.96
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Solution
The fourth proportional to 370.60, 555.74 and 113.96 is: 170.89
Step by Step Solution
- Step 1: Write the proportion equation
370.60 : 555.74 = 113.96 : x - Step 2: Convert to fraction form
370.60/555.74 = 113.96/x - Step 3: Cross multiply
370.60x = 555.74 × 113.96 - Step 4: Simplify right side
370.60x = 63,332.13 - Step 5: Solve for x
x = 63,332.13/370.60 - Step 6: Final answer
x = 170.89
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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.