Finding the Fourth Proportional to 370.18, 511.07 and 239.41
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Solution
The fourth proportional to 370.18, 511.07 and 239.41 is: 330.52
Step by Step Solution
- Step 1: Write the proportion equation
370.18 : 511.07 = 239.41 : x - Step 2: Convert to fraction form
370.18/511.07 = 239.41/x - Step 3: Cross multiply
370.18x = 511.07 × 239.41 - Step 4: Simplify right side
370.18x = 122,352.79 - Step 5: Solve for x
x = 122,352.79/370.18 - Step 6: Final answer
x = 330.52
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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.