Finding the Fourth Proportional to 345.99, 518.99 and 102.52
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Solution
The fourth proportional to 345.99, 518.99 and 102.52 is: 153.77
Step by Step Solution
- Step 1: Write the proportion equation
345.99 : 518.99 = 102.52 : x - Step 2: Convert to fraction form
345.99/518.99 = 102.52/x - Step 3: Cross multiply
345.99x = 518.99 × 102.52 - Step 4: Simplify right side
345.99x = 53,204.11 - Step 5: Solve for x
x = 53,204.11/345.99 - Step 6: Final answer
x = 153.77
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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.