Finding the Fourth Proportional to 424.88, 586.14 and 258.99
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Solution
The fourth proportional to 424.88, 586.14 and 258.99 is: 357.29
Step by Step Solution
- Step 1: Write the proportion equation
424.88 : 586.14 = 258.99 : x - Step 2: Convert to fraction form
424.88/586.14 = 258.99/x - Step 3: Cross multiply
424.88x = 586.14 × 258.99 - Step 4: Simplify right side
424.88x = 151,804.40 - Step 5: Solve for x
x = 151,804.40/424.88 - Step 6: Final answer
x = 357.29
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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.