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Finding the Fourth Proportional to 358.90, 537.01 and 204.93

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Solution

The fourth proportional to 358.90, 537.01 and 204.93 is: 306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.90 : 537.01 = 204.93 : x
  2. Step 2: Convert to fraction form
    358.90/537.01 = 204.93/x
  3. Step 3: Cross multiply
    358.90x = 537.01 × 204.93
  4. Step 4: Simplify right side
    358.90x = 110,048.95
  5. Step 5: Solve for x
    x = 110,048.95/358.90
  6. Step 6: Final answer
    x = 306.63

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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.