Finding the Fourth Proportional to 327.97, 492.36 and 260.33
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Solution
The fourth proportional to 327.97, 492.36 and 260.33 is: 390.82
Step by Step Solution
- Step 1: Write the proportion equation
327.97 : 492.36 = 260.33 : x - Step 2: Convert to fraction form
327.97/492.36 = 260.33/x - Step 3: Cross multiply
327.97x = 492.36 × 260.33 - Step 4: Simplify right side
327.97x = 128,176.08 - Step 5: Solve for x
x = 128,176.08/327.97 - Step 6: Final answer
x = 390.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.