Finding the Fourth Proportional to 555.99, 833.90 and 324.99
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Solution
The fourth proportional to 555.99, 833.90 and 324.99 is: 487.43
Step by Step Solution
- Step 1: Write the proportion equation
555.99 : 833.90 = 324.99 : x - Step 2: Convert to fraction form
555.99/833.90 = 324.99/x - Step 3: Cross multiply
555.99x = 833.90 × 324.99 - Step 4: Simplify right side
555.99x = 271,007.54 - Step 5: Solve for x
x = 271,007.54/555.99 - Step 6: Final answer
x = 487.43
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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.