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Finding the Fourth Proportional to 359.72, 536.44 and 344.24

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Solution

The fourth proportional to 359.72, 536.44 and 344.24 is: 513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.72 : 536.44 = 344.24 : x
  2. Step 2: Convert to fraction form
    359.72/536.44 = 344.24/x
  3. Step 3: Cross multiply
    359.72x = 536.44 × 344.24
  4. Step 4: Simplify right side
    359.72x = 184,664.11
  5. Step 5: Solve for x
    x = 184,664.11/359.72
  6. Step 6: Final answer
    x = 513.36

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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.