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Finding the Fourth Proportional to 359.10, 536.03 and 343.32

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Solution

The fourth proportional to 359.10, 536.03 and 343.32 is: 512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.10 : 536.03 = 343.32 : x
  2. Step 2: Convert to fraction form
    359.10/536.03 = 343.32/x
  3. Step 3: Cross multiply
    359.10x = 536.03 × 343.32
  4. Step 4: Simplify right side
    359.10x = 184,029.82
  5. Step 5: Solve for x
    x = 184,029.82/359.10
  6. Step 6: Final answer
    x = 512.48

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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.