Finding the Fourth Proportional to 913.14, 1,368.36 and 523.26
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Solution
The fourth proportional to 913.14, 1,368.36 and 523.26 is: 784.12
Step by Step Solution
- Step 1: Write the proportion equation
913.14 : 1,368.36 = 523.26 : x - Step 2: Convert to fraction form
913.14/1,368.36 = 523.26/x - Step 3: Cross multiply
913.14x = 1,368.36 × 523.26 - Step 4: Simplify right side
913.14x = 716,008.05 - Step 5: Solve for x
x = 716,008.05/913.14 - Step 6: Final answer
x = 784.12
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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.