Finding the Fourth Proportional to 515.93, 711.92 and 350.08
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Solution
The fourth proportional to 515.93, 711.92 and 350.08 is: 483.07
Step by Step Solution
- Step 1: Write the proportion equation
515.93 : 711.92 = 350.08 : x - Step 2: Convert to fraction form
515.93/711.92 = 350.08/x - Step 3: Cross multiply
515.93x = 711.92 × 350.08 - Step 4: Simplify right side
515.93x = 249,228.05 - Step 5: Solve for x
x = 249,228.05/515.93 - Step 6: Final answer
x = 483.07
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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.