Finding the Fourth Proportional to 370.06, 511.23 and 239.02
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Solution
The fourth proportional to 370.06, 511.23 and 239.02 is: 330.20
Step by Step Solution
- Step 1: Write the proportion equation
370.06 : 511.23 = 239.02 : x - Step 2: Convert to fraction form
370.06/511.23 = 239.02/x - Step 3: Cross multiply
370.06x = 511.23 × 239.02 - Step 4: Simplify right side
370.06x = 122,194.19 - Step 5: Solve for x
x = 122,194.19/370.06 - Step 6: Final answer
x = 330.20
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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.