Finding the Fourth Proportional to 350.55, 525.93 and 145.17
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Solution
The fourth proportional to 350.55, 525.93 and 145.17 is: 217.80
Step by Step Solution
- Step 1: Write the proportion equation
350.55 : 525.93 = 145.17 : x - Step 2: Convert to fraction form
350.55/525.93 = 145.17/x - Step 3: Cross multiply
350.55x = 525.93 × 145.17 - Step 4: Simplify right side
350.55x = 76,349.26 - Step 5: Solve for x
x = 76,349.26/350.55 - Step 6: Final answer
x = 217.80
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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.