Finding the Fourth Proportional to 741.12, 1,110 and 355.68
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Solution
The fourth proportional to 741.12, 1,110 and 355.68 is: 532.71
Step by Step Solution
- Step 1: Write the proportion equation
741.12 : 1,110 = 355.68 : x - Step 2: Convert to fraction form
741.12/1,110 = 355.68/x - Step 3: Cross multiply
741.12x = 1,110 × 355.68 - Step 4: Simplify right side
741.12x = 394,804.80 - Step 5: Solve for x
x = 394,804.80/741.12 - Step 6: Final answer
x = 532.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.