Finding the Fourth Proportional to 412.50, 618.99 and 184.50
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Solution
The fourth proportional to 412.50, 618.99 and 184.50 is: 276.86
Step by Step Solution
- Step 1: Write the proportion equation
412.50 : 618.99 = 184.50 : x - Step 2: Convert to fraction form
412.50/618.99 = 184.50/x - Step 3: Cross multiply
412.50x = 618.99 × 184.50 - Step 4: Simplify right side
412.50x = 114,203.66 - Step 5: Solve for x
x = 114,203.66/412.50 - Step 6: Final answer
x = 276.86
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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.