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Finding the Fourth Proportional to 444.11, 666.17 and 348.53

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Solution

The fourth proportional to 444.11, 666.17 and 348.53 is: 522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.11 : 666.17 = 348.53 : x
  2. Step 2: Convert to fraction form
    444.11/666.17 = 348.53/x
  3. Step 3: Cross multiply
    444.11x = 666.17 × 348.53
  4. Step 4: Simplify right side
    444.11x = 232,178.49
  5. Step 5: Solve for x
    x = 232,178.49/444.11
  6. Step 6: Final answer
    x = 522.80

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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.