Finding the Fourth Proportional to 469.99, 704.99 and 161.83
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Solution
The fourth proportional to 469.99, 704.99 and 161.83 is: 242.75
Step by Step Solution
- Step 1: Write the proportion equation
469.99 : 704.99 = 161.83 : x - Step 2: Convert to fraction form
469.99/704.99 = 161.83/x - Step 3: Cross multiply
469.99x = 704.99 × 161.83 - Step 4: Simplify right side
469.99x = 114,088.53 - Step 5: Solve for x
x = 114,088.53/469.99 - Step 6: Final answer
x = 242.75
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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.