Finding the Fourth Proportional to 370.36, 511.07 and 239.37
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Solution
The fourth proportional to 370.36, 511.07 and 239.37 is: 330.32
Step by Step Solution
- Step 1: Write the proportion equation
370.36 : 511.07 = 239.37 : x - Step 2: Convert to fraction form
370.36/511.07 = 239.37/x - Step 3: Cross multiply
370.36x = 511.07 × 239.37 - Step 4: Simplify right side
370.36x = 122,335.42 - Step 5: Solve for x
x = 122,335.42/370.36 - Step 6: Final answer
x = 330.32
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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.