Finding the Fourth Proportional to 427.62, 589.95 and 252.93
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Solution
The fourth proportional to 427.62, 589.95 and 252.93 is: 348.95
Step by Step Solution
- Step 1: Write the proportion equation
427.62 : 589.95 = 252.93 : x - Step 2: Convert to fraction form
427.62/589.95 = 252.93/x - Step 3: Cross multiply
427.62x = 589.95 × 252.93 - Step 4: Simplify right side
427.62x = 149,216.05 - Step 5: Solve for x
x = 149,216.05/427.62 - Step 6: Final answer
x = 348.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.