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Finding the Fourth Proportional to 628.49, 942.04 and 536.91

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Solution

The fourth proportional to 628.49, 942.04 and 536.91 is: 804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    628.49 : 942.04 = 536.91 : x
  2. Step 2: Convert to fraction form
    628.49/942.04 = 536.91/x
  3. Step 3: Cross multiply
    628.49x = 942.04 × 536.91
  4. Step 4: Simplify right side
    628.49x = 505,785.99
  5. Step 5: Solve for x
    x = 505,785.99/628.49
  6. Step 6: Final answer
    x = 804.77

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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.