Finding the Fourth Proportional to 350.98, 526.62 and 145.70
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Solution
The fourth proportional to 350.98, 526.62 and 145.70 is: 218.61
Step by Step Solution
- Step 1: Write the proportion equation
350.98 : 526.62 = 145.70 : x - Step 2: Convert to fraction form
350.98/526.62 = 145.70/x - Step 3: Cross multiply
350.98x = 526.62 × 145.70 - Step 4: Simplify right side
350.98x = 76,728.53 - Step 5: Solve for x
x = 76,728.53/350.98 - Step 6: Final answer
x = 218.61
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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.