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Finding the Fourth Proportional to 358.73, 533.27 and 347.79

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Solution

The fourth proportional to 358.73, 533.27 and 347.79 is: 517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.73 : 533.27 = 347.79 : x
  2. Step 2: Convert to fraction form
    358.73/533.27 = 347.79/x
  3. Step 3: Cross multiply
    358.73x = 533.27 × 347.79
  4. Step 4: Simplify right side
    358.73x = 185,464.23
  5. Step 5: Solve for x
    x = 185,464.23/358.73
  6. Step 6: Final answer
    x = 517.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.