Finding the Fourth Proportional to 370.25, 511.17 and 239.49
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Solution
The fourth proportional to 370.25, 511.17 and 239.49 is: 330.64
Step by Step Solution
- Step 1: Write the proportion equation
370.25 : 511.17 = 239.49 : x - Step 2: Convert to fraction form
370.25/511.17 = 239.49/x - Step 3: Cross multiply
370.25x = 511.17 × 239.49 - Step 4: Simplify right side
370.25x = 122,420.10 - Step 5: Solve for x
x = 122,420.10/370.25 - Step 6: Final answer
x = 330.64
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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.