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Finding the Fourth Proportional to 359.06, 494.85 and 264.38

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Solution

The fourth proportional to 359.06, 494.85 and 264.38 is: 364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.06 : 494.85 = 264.38 : x
  2. Step 2: Convert to fraction form
    359.06/494.85 = 264.38/x
  3. Step 3: Cross multiply
    359.06x = 494.85 × 264.38
  4. Step 4: Simplify right side
    359.06x = 130,828.44
  5. Step 5: Solve for x
    x = 130,828.44/359.06
  6. Step 6: Final answer
    x = 364.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.