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Finding the Fourth Proportional to 444.66, 613.08 and 392.46

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Solution

The fourth proportional to 444.66, 613.08 and 392.46 is: 541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.66 : 613.08 = 392.46 : x
  2. Step 2: Convert to fraction form
    444.66/613.08 = 392.46/x
  3. Step 3: Cross multiply
    444.66x = 613.08 × 392.46
  4. Step 4: Simplify right side
    444.66x = 240,609.38
  5. Step 5: Solve for x
    x = 240,609.38/444.66
  6. Step 6: Final answer
    x = 541.11

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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.