Finding the Fourth Proportional to 944.44, 1,416.36 and 655
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Solution
The fourth proportional to 944.44, 1,416.36 and 655 is: 982.29
Step by Step Solution
- Step 1: Write the proportion equation
944.44 : 1,416.36 = 655 : x - Step 2: Convert to fraction form
944.44/1,416.36 = 655/x - Step 3: Cross multiply
944.44x = 1,416.36 × 655 - Step 4: Simplify right side
944.44x = 927,715.80 - Step 5: Solve for x
x = 927,715.80/944.44 - Step 6: Final answer
x = 982.29
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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.