Finding the Fourth Proportional to 752.91, 1,129.58 and 232.99
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Solution
The fourth proportional to 752.91, 1,129.58 and 232.99 is: 349.55
Step by Step Solution
- Step 1: Write the proportion equation
752.91 : 1,129.58 = 232.99 : x - Step 2: Convert to fraction form
752.91/1,129.58 = 232.99/x - Step 3: Cross multiply
752.91x = 1,129.58 × 232.99 - Step 4: Simplify right side
752.91x = 263,180.84 - Step 5: Solve for x
x = 263,180.84/752.91 - Step 6: Final answer
x = 349.55
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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.