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Finding the Fourth Proportional to 619.52, 854.75 and 444.96

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Solution

The fourth proportional to 619.52, 854.75 and 444.96 is: 613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    619.52 : 854.75 = 444.96 : x
  2. Step 2: Convert to fraction form
    619.52/854.75 = 444.96/x
  3. Step 3: Cross multiply
    619.52x = 854.75 × 444.96
  4. Step 4: Simplify right side
    619.52x = 380,330.67
  5. Step 5: Solve for x
    x = 380,330.67/619.52
  6. Step 6: Final answer
    x = 613.92

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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.