Finding the Fourth Proportional to 536.92, 805.83 and 212.51
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Solution
The fourth proportional to 536.92, 805.83 and 212.51 is: 318.94
Step by Step Solution
- Step 1: Write the proportion equation
536.92 : 805.83 = 212.51 : x - Step 2: Convert to fraction form
536.92/805.83 = 212.51/x - Step 3: Cross multiply
536.92x = 805.83 × 212.51 - Step 4: Simplify right side
536.92x = 171,246.93 - Step 5: Solve for x
x = 171,246.93/536.92 - Step 6: Final answer
x = 318.94
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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.