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Finding the Fourth Proportional to 535.04, 738.08 and 369.28

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Solution

The fourth proportional to 535.04, 738.08 and 369.28 is: 509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.04 : 738.08 = 369.28 : x
  2. Step 2: Convert to fraction form
    535.04/738.08 = 369.28/x
  3. Step 3: Cross multiply
    535.04x = 738.08 × 369.28
  4. Step 4: Simplify right side
    535.04x = 272,558.18
  5. Step 5: Solve for x
    x = 272,558.18/535.04
  6. Step 6: Final answer
    x = 509.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.