Finding the Fourth Proportional to 370.88, 511.74 and 239.96
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Solution
The fourth proportional to 370.88, 511.74 and 239.96 is: 331.10
Step by Step Solution
- Step 1: Write the proportion equation
370.88 : 511.74 = 239.96 : x - Step 2: Convert to fraction form
370.88/511.74 = 239.96/x - Step 3: Cross multiply
370.88x = 511.74 × 239.96 - Step 4: Simplify right side
370.88x = 122,797.13 - Step 5: Solve for x
x = 122,797.13/370.88 - Step 6: Final answer
x = 331.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.