Finding the Fourth Proportional to 350.58, 525.99 and 145.14
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Solution
The fourth proportional to 350.58, 525.99 and 145.14 is: 217.76
Step by Step Solution
- Step 1: Write the proportion equation
350.58 : 525.99 = 145.14 : x - Step 2: Convert to fraction form
350.58/525.99 = 145.14/x - Step 3: Cross multiply
350.58x = 525.99 × 145.14 - Step 4: Simplify right side
350.58x = 76,342.19 - Step 5: Solve for x
x = 76,342.19/350.58 - Step 6: Final answer
x = 217.76
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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.