Finding the Fourth Proportional to 264.28, 396.42 and 101.99
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Solution
The fourth proportional to 264.28, 396.42 and 101.99 is: 152.99
Step by Step Solution
- Step 1: Write the proportion equation
264.28 : 396.42 = 101.99 : x - Step 2: Convert to fraction form
264.28/396.42 = 101.99/x - Step 3: Cross multiply
264.28x = 396.42 × 101.99 - Step 4: Simplify right side
264.28x = 40,430.88 - Step 5: Solve for x
x = 40,430.88/264.28 - Step 6: Final answer
x = 152.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.