Finding the Fourth Proportional to 178.99, 246.97 and 109.09
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Solution
The fourth proportional to 178.99, 246.97 and 109.09 is: 150.52
Step by Step Solution
- Step 1: Write the proportion equation
178.99 : 246.97 = 109.09 : x - Step 2: Convert to fraction form
178.99/246.97 = 109.09/x - Step 3: Cross multiply
178.99x = 246.97 × 109.09 - Step 4: Simplify right side
178.99x = 26,940.40 - Step 5: Solve for x
x = 26,940.40/178.99 - Step 6: Final answer
x = 150.52
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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.