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Finding the Fourth Proportional to 673.57, 928.42 and 452.44

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Solution

The fourth proportional to 673.57, 928.42 and 452.44 is: 623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.57 : 928.42 = 452.44 : x
  2. Step 2: Convert to fraction form
    673.57/928.42 = 452.44/x
  3. Step 3: Cross multiply
    673.57x = 928.42 × 452.44
  4. Step 4: Simplify right side
    673.57x = 420,054.34
  5. Step 5: Solve for x
    x = 420,054.34/673.57
  6. Step 6: Final answer
    x = 623.62

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1.5x scale

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.