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Finding the Fourth Proportional to 614.44, 847.02 and 448.84

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Solution

The fourth proportional to 614.44, 847.02 and 448.84 is: 618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.44 : 847.02 = 448.84 : x
  2. Step 2: Convert to fraction form
    614.44/847.02 = 448.84/x
  3. Step 3: Cross multiply
    614.44x = 847.02 × 448.84
  4. Step 4: Simplify right side
    614.44x = 380,176.46
  5. Step 5: Solve for x
    x = 380,176.46/614.44
  6. Step 6: Final answer
    x = 618.74

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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.