Finding the Fourth Proportional to 246.51, 340.18 and 135.99
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Solution
The fourth proportional to 246.51, 340.18 and 135.99 is: 187.67
Step by Step Solution
- Step 1: Write the proportion equation
246.51 : 340.18 = 135.99 : x - Step 2: Convert to fraction form
246.51/340.18 = 135.99/x - Step 3: Cross multiply
246.51x = 340.18 × 135.99 - Step 4: Simplify right side
246.51x = 46,261.08 - Step 5: Solve for x
x = 46,261.08/246.51 - Step 6: Final answer
x = 187.67
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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.