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Finding the Fourth Proportional to 673.56, 928.44 and 533.04

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Solution

The fourth proportional to 673.56, 928.44 and 533.04 is: 734.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.56 : 928.44 = 533.04 : x
  2. Step 2: Convert to fraction form
    673.56/928.44 = 533.04/x
  3. Step 3: Cross multiply
    673.56x = 928.44 × 533.04
  4. Step 4: Simplify right side
    673.56x = 494,895.66
  5. Step 5: Solve for x
    x = 494,895.66/673.56
  6. Step 6: Final answer
    x = 734.75

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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.