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Finding the Fourth Proportional to 675.30, 932.33 and 454.44

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Solution

The fourth proportional to 675.30, 932.33 and 454.44 is: 627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.30 : 932.33 = 454.44 : x
  2. Step 2: Convert to fraction form
    675.30/932.33 = 454.44/x
  3. Step 3: Cross multiply
    675.30x = 932.33 × 454.44
  4. Step 4: Simplify right side
    675.30x = 423,688.05
  5. Step 5: Solve for x
    x = 423,688.05/675.30
  6. Step 6: Final answer
    x = 627.41

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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.