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Finding the Fourth Proportional to 536.36, 804.06 and 279.08

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Solution

The fourth proportional to 536.36, 804.06 and 279.08 is: 418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.36 : 804.06 = 279.08 : x
  2. Step 2: Convert to fraction form
    536.36/804.06 = 279.08/x
  3. Step 3: Cross multiply
    536.36x = 804.06 × 279.08
  4. Step 4: Simplify right side
    536.36x = 224,397.06
  5. Step 5: Solve for x
    x = 224,397.06/536.36
  6. Step 6: Final answer
    x = 418.37

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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.