Finding the Fourth Proportional to 178.63, 246.56 and 104.99
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Solution
The fourth proportional to 178.63, 246.56 and 104.99 is: 144.91
Step by Step Solution
- Step 1: Write the proportion equation
178.63 : 246.56 = 104.99 : x - Step 2: Convert to fraction form
178.63/246.56 = 104.99/x - Step 3: Cross multiply
178.63x = 246.56 × 104.99 - Step 4: Simplify right side
178.63x = 25,884.58 - Step 5: Solve for x
x = 25,884.58/178.63 - Step 6: Final answer
x = 144.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.