Finding the Fourth Proportional to 267.30, 400.99 and 93.99
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Solution
The fourth proportional to 267.30, 400.99 and 93.99 is: 140.99
Step by Step Solution
- Step 1: Write the proportion equation
267.30 : 400.99 = 93.99 : x - Step 2: Convert to fraction form
267.30/400.99 = 93.99/x - Step 3: Cross multiply
267.30x = 400.99 × 93.99 - Step 4: Simplify right side
267.30x = 37,686.98 - Step 5: Solve for x
x = 37,686.98/267.30 - Step 6: Final answer
x = 140.99
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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.