Finding the Fourth Proportional to 246.23, 339.80 and 135.71
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Solution
The fourth proportional to 246.23, 339.80 and 135.71 is: 187.28
Step by Step Solution
- Step 1: Write the proportion equation
246.23 : 339.80 = 135.71 : x - Step 2: Convert to fraction form
246.23/339.80 = 135.71/x - Step 3: Cross multiply
246.23x = 339.80 × 135.71 - Step 4: Simplify right side
246.23x = 46,113.58 - Step 5: Solve for x
x = 46,113.58/246.23 - Step 6: Final answer
x = 187.28
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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.