Finding the Fourth Proportional to 749.04, 1,123.52 and 236
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Solution
The fourth proportional to 749.04, 1,123.52 and 236 is: 353.99
Step by Step Solution
- Step 1: Write the proportion equation
749.04 : 1,123.52 = 236 : x - Step 2: Convert to fraction form
749.04/1,123.52 = 236/x - Step 3: Cross multiply
749.04x = 1,123.52 × 236 - Step 4: Simplify right side
749.04x = 265,150.72 - Step 5: Solve for x
x = 265,150.72/749.04 - Step 6: Final answer
x = 353.99
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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.