Finding the Fourth Proportional to 558.44, 837.74 and 193.19
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Solution
The fourth proportional to 558.44, 837.74 and 193.19 is: 289.80
Step by Step Solution
- Step 1: Write the proportion equation
558.44 : 837.74 = 193.19 : x - Step 2: Convert to fraction form
558.44/837.74 = 193.19/x - Step 3: Cross multiply
558.44x = 837.74 × 193.19 - Step 4: Simplify right side
558.44x = 161,839.28 - Step 5: Solve for x
x = 161,839.28/558.44 - Step 6: Final answer
x = 289.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.