Finding the Fourth Proportional to 351.36, 527.03 and 207.99
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Solution
The fourth proportional to 351.36, 527.03 and 207.99 is: 311.98
Step by Step Solution
- Step 1: Write the proportion equation
351.36 : 527.03 = 207.99 : x - Step 2: Convert to fraction form
351.36/527.03 = 207.99/x - Step 3: Cross multiply
351.36x = 527.03 × 207.99 - Step 4: Simplify right side
351.36x = 109,615.93 - Step 5: Solve for x
x = 109,615.93/351.36 - Step 6: Final answer
x = 311.98
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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.