Finding the Fourth Proportional to 424.99, 586.36 and 257.02
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Solution
The fourth proportional to 424.99, 586.36 and 257.02 is: 354.61
Step by Step Solution
- Step 1: Write the proportion equation
424.99 : 586.36 = 257.02 : x - Step 2: Convert to fraction form
424.99/586.36 = 257.02/x - Step 3: Cross multiply
424.99x = 586.36 × 257.02 - Step 4: Simplify right side
424.99x = 150,706.25 - Step 5: Solve for x
x = 150,706.25/424.99 - Step 6: Final answer
x = 354.61
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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.