Finding the Fourth Proportional to 929.12, 1,282.08 and 536
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Solution
The fourth proportional to 929.12, 1,282.08 and 536 is: 739.62
Step by Step Solution
- Step 1: Write the proportion equation
929.12 : 1,282.08 = 536 : x - Step 2: Convert to fraction form
929.12/1,282.08 = 536/x - Step 3: Cross multiply
929.12x = 1,282.08 × 536 - Step 4: Simplify right side
929.12x = 687,194.88 - Step 5: Solve for x
x = 687,194.88/929.12 - Step 6: Final answer
x = 739.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.