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Finding the Fourth Proportional to 490.83, 736.08 and 230.77

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Solution

The fourth proportional to 490.83, 736.08 and 230.77 is: 346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    490.83 : 736.08 = 230.77 : x
  2. Step 2: Convert to fraction form
    490.83/736.08 = 230.77/x
  3. Step 3: Cross multiply
    490.83x = 736.08 × 230.77
  4. Step 4: Simplify right side
    490.83x = 169,865.18
  5. Step 5: Solve for x
    x = 169,865.18/490.83
  6. Step 6: Final answer
    x = 346.08

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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.