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Finding the Fourth Proportional to 358.85, 497.72 and 344.27

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Solution

The fourth proportional to 358.85, 497.72 and 344.27 is: 477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.85 : 497.72 = 344.27 : x
  2. Step 2: Convert to fraction form
    358.85/497.72 = 344.27/x
  3. Step 3: Cross multiply
    358.85x = 497.72 × 344.27
  4. Step 4: Simplify right side
    358.85x = 171,347.58
  5. Step 5: Solve for x
    x = 171,347.58/358.85
  6. Step 6: Final answer
    x = 477.50

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.