Finding the Fourth Proportional to 433.54, 598.08 and 258.99
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Solution
The fourth proportional to 433.54, 598.08 and 258.99 is: 357.28
Step by Step Solution
- Step 1: Write the proportion equation
433.54 : 598.08 = 258.99 : x - Step 2: Convert to fraction form
433.54/598.08 = 258.99/x - Step 3: Cross multiply
433.54x = 598.08 × 258.99 - Step 4: Simplify right side
433.54x = 154,896.74 - Step 5: Solve for x
x = 154,896.74/433.54 - Step 6: Final answer
x = 357.28
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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.