Finding the Fourth Proportional to 433.35, 598.02 and 258.69
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Solution
The fourth proportional to 433.35, 598.02 and 258.69 is: 356.99
Step by Step Solution
- Step 1: Write the proportion equation
433.35 : 598.02 = 258.69 : x - Step 2: Convert to fraction form
433.35/598.02 = 258.69/x - Step 3: Cross multiply
433.35x = 598.02 × 258.69 - Step 4: Simplify right side
433.35x = 154,700.50 - Step 5: Solve for x
x = 154,700.50/433.35 - Step 6: Final answer
x = 356.99
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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.