Finding the Fourth Proportional to 266.01, 398.88 and 135.99
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Solution
The fourth proportional to 266.01, 398.88 and 135.99 is: 203.91
Step by Step Solution
- Step 1: Write the proportion equation
266.01 : 398.88 = 135.99 : x - Step 2: Convert to fraction form
266.01/398.88 = 135.99/x - Step 3: Cross multiply
266.01x = 398.88 × 135.99 - Step 4: Simplify right side
266.01x = 54,242.71 - Step 5: Solve for x
x = 54,242.71/266.01 - Step 6: Final answer
x = 203.91
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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.