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Finding the Fourth Proportional to 499.00, 748.25 and 290.84

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Solution

The fourth proportional to 499.00, 748.25 and 290.84 is: 436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    499.00 : 748.25 = 290.84 : x
  2. Step 2: Convert to fraction form
    499.00/748.25 = 290.84/x
  3. Step 3: Cross multiply
    499.00x = 748.25 × 290.84
  4. Step 4: Simplify right side
    499.00x = 217,619.50
  5. Step 5: Solve for x
    x = 217,619.50/499.00
  6. Step 6: Final answer
    x = 436.11

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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.