Finding the Fourth Proportional to 164.56, 246.72 and 79
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Solution
The fourth proportional to 164.56, 246.72 and 79 is: 118.44
Step by Step Solution
- Step 1: Write the proportion equation
164.56 : 246.72 = 79 : x - Step 2: Convert to fraction form
164.56/246.72 = 79/x - Step 3: Cross multiply
164.56x = 246.72 × 79 - Step 4: Simplify right side
164.56x = 19,490.88 - Step 5: Solve for x
x = 19,490.88/164.56 - Step 6: Final answer
x = 118.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.