Finding the Fourth Proportional to 178.97, 246.99 and 101.35
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Solution
The fourth proportional to 178.97, 246.99 and 101.35 is: 139.87
Step by Step Solution
- Step 1: Write the proportion equation
178.97 : 246.99 = 101.35 : x - Step 2: Convert to fraction form
178.97/246.99 = 101.35/x - Step 3: Cross multiply
178.97x = 246.99 × 101.35 - Step 4: Simplify right side
178.97x = 25,032.44 - Step 5: Solve for x
x = 25,032.44/178.97 - Step 6: Final answer
x = 139.87
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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.