Finding the Fourth Proportional to 266.00, 398.99 and 73.62
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Solution
The fourth proportional to 266.00, 398.99 and 73.62 is: 110.43
Step by Step Solution
- Step 1: Write the proportion equation
266.00 : 398.99 = 73.62 : x - Step 2: Convert to fraction form
266.00/398.99 = 73.62/x - Step 3: Cross multiply
266.00x = 398.99 × 73.62 - Step 4: Simplify right side
266.00x = 29,373.83 - Step 5: Solve for x
x = 29,373.83/266.00 - Step 6: Final answer
x = 110.43
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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.