Finding the Fourth Proportional to 526.99, 727.25 and 306.07
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Solution
The fourth proportional to 526.99, 727.25 and 306.07 is: 422.37
Step by Step Solution
- Step 1: Write the proportion equation
526.99 : 727.25 = 306.07 : x - Step 2: Convert to fraction form
526.99/727.25 = 306.07/x - Step 3: Cross multiply
526.99x = 727.25 × 306.07 - Step 4: Simplify right side
526.99x = 222,586.06 - Step 5: Solve for x
x = 222,586.06/526.99 - Step 6: Final answer
x = 422.37
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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.