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Finding the Fourth Proportional to 534.83, 738.18 and 369.25

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Solution

The fourth proportional to 534.83, 738.18 and 369.25 is: 509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.83 : 738.18 = 369.25 : x
  2. Step 2: Convert to fraction form
    534.83/738.18 = 369.25/x
  3. Step 3: Cross multiply
    534.83x = 738.18 × 369.25
  4. Step 4: Simplify right side
    534.83x = 272,571.12
  5. Step 5: Solve for x
    x = 272,571.12/534.83
  6. Step 6: Final answer
    x = 509.65

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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.