Finding the Fourth Proportional to 370.65, 511.62 and 239.67
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Solution
The fourth proportional to 370.65, 511.62 and 239.67 is: 330.82
Step by Step Solution
- Step 1: Write the proportion equation
370.65 : 511.62 = 239.67 : x - Step 2: Convert to fraction form
370.65/511.62 = 239.67/x - Step 3: Cross multiply
370.65x = 511.62 × 239.67 - Step 4: Simplify right side
370.65x = 122,619.97 - Step 5: Solve for x
x = 122,619.97/370.65 - Step 6: Final answer
x = 330.82
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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.