Finding the Fourth Proportional to 434.99, 600.21 and 295.40
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Solution
The fourth proportional to 434.99, 600.21 and 295.40 is: 407.60
Step by Step Solution
- Step 1: Write the proportion equation
434.99 : 600.21 = 295.40 : x - Step 2: Convert to fraction form
434.99/600.21 = 295.40/x - Step 3: Cross multiply
434.99x = 600.21 × 295.40 - Step 4: Simplify right side
434.99x = 177,303.53 - Step 5: Solve for x
x = 177,303.53/434.99 - Step 6: Final answer
x = 407.60
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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.