Finding the Fourth Proportional to 370.97, 511.74 and 239.75
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Solution
The fourth proportional to 370.97, 511.74 and 239.75 is: 330.73
Step by Step Solution
- Step 1: Write the proportion equation
370.97 : 511.74 = 239.75 : x - Step 2: Convert to fraction form
370.97/511.74 = 239.75/x - Step 3: Cross multiply
370.97x = 511.74 × 239.75 - Step 4: Simplify right side
370.97x = 122,689.67 - Step 5: Solve for x
x = 122,689.67/370.97 - Step 6: Final answer
x = 330.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.