Finding the Fourth Proportional to 133.45, 200.26 and 64.99
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Solution
The fourth proportional to 133.45, 200.26 and 64.99 is: 97.53
Step by Step Solution
- Step 1: Write the proportion equation
133.45 : 200.26 = 64.99 : x - Step 2: Convert to fraction form
133.45/200.26 = 64.99/x - Step 3: Cross multiply
133.45x = 200.26 × 64.99 - Step 4: Simplify right side
133.45x = 13,015.23 - Step 5: Solve for x
x = 13,015.23/133.45 - Step 6: Final answer
x = 97.53
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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.