Finding the Fourth Proportional to 424.63, 586.07 and 258.99
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Solution
The fourth proportional to 424.63, 586.07 and 258.99 is: 357.46
Step by Step Solution
- Step 1: Write the proportion equation
424.63 : 586.07 = 258.99 : x - Step 2: Convert to fraction form
424.63/586.07 = 258.99/x - Step 3: Cross multiply
424.63x = 586.07 × 258.99 - Step 4: Simplify right side
424.63x = 151,786.27 - Step 5: Solve for x
x = 151,786.27/424.63 - Step 6: Final answer
x = 357.46
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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.