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Finding the Fourth Proportional to 534.99, 738.36 and 325.25

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Solution

The fourth proportional to 534.99, 738.36 and 325.25 is: 448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.99 : 738.36 = 325.25 : x
  2. Step 2: Convert to fraction form
    534.99/738.36 = 325.25/x
  3. Step 3: Cross multiply
    534.99x = 738.36 × 325.25
  4. Step 4: Simplify right side
    534.99x = 240,153.44
  5. Step 5: Solve for x
    x = 240,153.44/534.99
  6. Step 6: Final answer
    x = 448.89

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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.