Finding the Fourth Proportional to 749.99, 1,124.99 and 230.00
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Solution
The fourth proportional to 749.99, 1,124.99 and 230.00 is: 344.99
Step by Step Solution
- Step 1: Write the proportion equation
749.99 : 1,124.99 = 230.00 : x - Step 2: Convert to fraction form
749.99/1,124.99 = 230.00/x - Step 3: Cross multiply
749.99x = 1,124.99 × 230.00 - Step 4: Simplify right side
749.99x = 258,742.65 - Step 5: Solve for x
x = 258,742.65/749.99 - Step 6: Final answer
x = 344.99
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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.