Finding the Fourth Proportional to 701.99, 968.68 and 407.28
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Solution
The fourth proportional to 701.99, 968.68 and 407.28 is: 562.01
Step by Step Solution
- Step 1: Write the proportion equation
701.99 : 968.68 = 407.28 : x - Step 2: Convert to fraction form
701.99/968.68 = 407.28/x - Step 3: Cross multiply
701.99x = 968.68 × 407.28 - Step 4: Simplify right side
701.99x = 394,523.99 - Step 5: Solve for x
x = 394,523.99/701.99 - Step 6: Final answer
x = 562.01
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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.