Finding the Fourth Proportional to 370.23, 510.99 and 239.40
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Solution
The fourth proportional to 370.23, 510.99 and 239.40 is: 330.42
Step by Step Solution
- Step 1: Write the proportion equation
370.23 : 510.99 = 239.40 : x - Step 2: Convert to fraction form
370.23/510.99 = 239.40/x - Step 3: Cross multiply
370.23x = 510.99 × 239.40 - Step 4: Simplify right side
370.23x = 122,331.01 - Step 5: Solve for x
x = 122,331.01/370.23 - Step 6: Final answer
x = 330.42
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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.