Finding the Fourth Proportional to 435.76, 600.64 and 399.99
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Solution
The fourth proportional to 435.76, 600.64 and 399.99 is: 551.34
Step by Step Solution
- Step 1: Write the proportion equation
435.76 : 600.64 = 399.99 : x - Step 2: Convert to fraction form
435.76/600.64 = 399.99/x - Step 3: Cross multiply
435.76x = 600.64 × 399.99 - Step 4: Simplify right side
435.76x = 240,249.99 - Step 5: Solve for x
x = 240,249.99/435.76 - Step 6: Final answer
x = 551.34
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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.