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Finding the Fourth Proportional to 504.04, 755.20 and 453.32

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Solution

The fourth proportional to 504.04, 755.20 and 453.32 is: 679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.04 : 755.20 = 453.32 : x
  2. Step 2: Convert to fraction form
    504.04/755.20 = 453.32/x
  3. Step 3: Cross multiply
    504.04x = 755.20 × 453.32
  4. Step 4: Simplify right side
    504.04x = 342,347.26
  5. Step 5: Solve for x
    x = 342,347.26/504.04
  6. Step 6: Final answer
    x = 679.21

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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.