Finding the Fourth Proportional to 246.50, 340.19 and 135.99
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Solution
The fourth proportional to 246.50, 340.19 and 135.99 is: 187.68
Step by Step Solution
- Step 1: Write the proportion equation
246.50 : 340.19 = 135.99 : x - Step 2: Convert to fraction form
246.50/340.19 = 135.99/x - Step 3: Cross multiply
246.50x = 340.19 × 135.99 - Step 4: Simplify right side
246.50x = 46,261.76 - Step 5: Solve for x
x = 46,261.76/246.50 - Step 6: Final answer
x = 187.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.