Finding the Fourth Proportional to 246.20, 339.74 and 135.66
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Solution
The fourth proportional to 246.20, 339.74 and 135.66 is: 187.20
Step by Step Solution
- Step 1: Write the proportion equation
246.20 : 339.74 = 135.66 : x - Step 2: Convert to fraction form
246.20/339.74 = 135.66/x - Step 3: Cross multiply
246.20x = 339.74 × 135.66 - Step 4: Simplify right side
246.20x = 46,089.13 - Step 5: Solve for x
x = 46,089.13/246.20 - Step 6: Final answer
x = 187.20
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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.