Finding the Fourth Proportional to 511.25, 705.69 and 327.25
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Solution
The fourth proportional to 511.25, 705.69 and 327.25 is: 451.71
Step by Step Solution
- Step 1: Write the proportion equation
511.25 : 705.69 = 327.25 : x - Step 2: Convert to fraction form
511.25/705.69 = 327.25/x - Step 3: Cross multiply
511.25x = 705.69 × 327.25 - Step 4: Simplify right side
511.25x = 230,937.05 - Step 5: Solve for x
x = 230,937.05/511.25 - Step 6: Final answer
x = 451.71
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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.