Finding the Fourth Proportional to 792.68, 1,094.44 and 627.70
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Solution
The fourth proportional to 792.68, 1,094.44 and 627.70 is: 866.65
Step by Step Solution
- Step 1: Write the proportion equation
792.68 : 1,094.44 = 627.70 : x - Step 2: Convert to fraction form
792.68/1,094.44 = 627.70/x - Step 3: Cross multiply
792.68x = 1,094.44 × 627.70 - Step 4: Simplify right side
792.68x = 686,979.99 - Step 5: Solve for x
x = 686,979.99/792.68 - Step 6: Final answer
x = 866.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.