Finding the Fourth Proportional to 178.97, 246.93 and 135.23
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Solution
The fourth proportional to 178.97, 246.93 and 135.23 is: 186.58
Step by Step Solution
- Step 1: Write the proportion equation
178.97 : 246.93 = 135.23 : x - Step 2: Convert to fraction form
178.97/246.93 = 135.23/x - Step 3: Cross multiply
178.97x = 246.93 × 135.23 - Step 4: Simplify right side
178.97x = 33,392.34 - Step 5: Solve for x
x = 33,392.34/178.97 - Step 6: Final answer
x = 186.58
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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.