Finding the Fourth Proportional to 246.60, 340.26 and 136.08
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Solution
The fourth proportional to 246.60, 340.26 and 136.08 is: 187.76
Step by Step Solution
- Step 1: Write the proportion equation
246.60 : 340.26 = 136.08 : x - Step 2: Convert to fraction form
246.60/340.26 = 136.08/x - Step 3: Cross multiply
246.60x = 340.26 × 136.08 - Step 4: Simplify right side
246.60x = 46,302.58 - Step 5: Solve for x
x = 46,302.58/246.60 - Step 6: Final answer
x = 187.76
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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.