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Finding the Fourth Proportional to 444.59, 666.54 and 238.98

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Solution

The fourth proportional to 444.59, 666.54 and 238.98 is: 358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.59 : 666.54 = 238.98 : x
  2. Step 2: Convert to fraction form
    444.59/666.54 = 238.98/x
  3. Step 3: Cross multiply
    444.59x = 666.54 × 238.98
  4. Step 4: Simplify right side
    444.59x = 159,289.73
  5. Step 5: Solve for x
    x = 159,289.73/444.59
  6. Step 6: Final answer
    x = 358.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.