Finding the Fourth Proportional to 351.46, 526.81 and 134.99
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Solution
The fourth proportional to 351.46, 526.81 and 134.99 is: 202.34
Step by Step Solution
- Step 1: Write the proportion equation
351.46 : 526.81 = 134.99 : x - Step 2: Convert to fraction form
351.46/526.81 = 134.99/x - Step 3: Cross multiply
351.46x = 526.81 × 134.99 - Step 4: Simplify right side
351.46x = 71,114.08 - Step 5: Solve for x
x = 71,114.08/351.46 - Step 6: Final answer
x = 202.34
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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.