Finding the Fourth Proportional to 509.68, 764.58 and 374.44
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Solution
The fourth proportional to 509.68, 764.58 and 374.44 is: 561.70
Step by Step Solution
- Step 1: Write the proportion equation
509.68 : 764.58 = 374.44 : x - Step 2: Convert to fraction form
509.68/764.58 = 374.44/x - Step 3: Cross multiply
509.68x = 764.58 × 374.44 - Step 4: Simplify right side
509.68x = 286,289.34 - Step 5: Solve for x
x = 286,289.34/509.68 - Step 6: Final answer
x = 561.70
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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.