Finding the Fourth Proportional to 453.24, 625.08 and 383.49
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Solution
The fourth proportional to 453.24, 625.08 and 383.49 is: 528.89
Step by Step Solution
- Step 1: Write the proportion equation
453.24 : 625.08 = 383.49 : x - Step 2: Convert to fraction form
453.24/625.08 = 383.49/x - Step 3: Cross multiply
453.24x = 625.08 × 383.49 - Step 4: Simplify right side
453.24x = 239,711.93 - Step 5: Solve for x
x = 239,711.93/453.24 - Step 6: Final answer
x = 528.89
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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.