Finding the Fourth Proportional to 246.18, 339.71 and 135.63
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Solution
The fourth proportional to 246.18, 339.71 and 135.63 is: 187.17
Step by Step Solution
- Step 1: Write the proportion equation
246.18 : 339.71 = 135.63 : x - Step 2: Convert to fraction form
246.18/339.71 = 135.63/x - Step 3: Cross multiply
246.18x = 339.71 × 135.63 - Step 4: Simplify right side
246.18x = 46,076.06 - Step 5: Solve for x
x = 46,076.06/246.18 - Step 6: Final answer
x = 187.17
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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.