Finding the Fourth Proportional to 370.44, 510.93 and 239.49
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Solution
The fourth proportional to 370.44, 510.93 and 239.49 is: 330.32
Step by Step Solution
- Step 1: Write the proportion equation
370.44 : 510.93 = 239.49 : x - Step 2: Convert to fraction form
370.44/510.93 = 239.49/x - Step 3: Cross multiply
370.44x = 510.93 × 239.49 - Step 4: Simplify right side
370.44x = 122,362.63 - Step 5: Solve for x
x = 122,362.63/370.44 - 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.