Finding the Fourth Proportional to 257.59, 355.33 and 158.03
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Solution
The fourth proportional to 257.59, 355.33 and 158.03 is: 217.99
Step by Step Solution
- Step 1: Write the proportion equation
257.59 : 355.33 = 158.03 : x - Step 2: Convert to fraction form
257.59/355.33 = 158.03/x - Step 3: Cross multiply
257.59x = 355.33 × 158.03 - Step 4: Simplify right side
257.59x = 56,152.80 - Step 5: Solve for x
x = 56,152.80/257.59 - Step 6: Final answer
x = 217.99
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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.