Finding the Fourth Proportional to 351.58, 527.01 and 135.07
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Solution
The fourth proportional to 351.58, 527.01 and 135.07 is: 202.47
Step by Step Solution
- Step 1: Write the proportion equation
351.58 : 527.01 = 135.07 : x - Step 2: Convert to fraction form
351.58/527.01 = 135.07/x - Step 3: Cross multiply
351.58x = 527.01 × 135.07 - Step 4: Simplify right side
351.58x = 71,183.24 - Step 5: Solve for x
x = 71,183.24/351.58 - Step 6: Final answer
x = 202.47
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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.