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Finding the Fourth Proportional to 359.32, 536.03 and 305.56

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Solution

The fourth proportional to 359.32, 536.03 and 305.56 is: 455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.32 : 536.03 = 305.56 : x
  2. Step 2: Convert to fraction form
    359.32/536.03 = 305.56/x
  3. Step 3: Cross multiply
    359.32x = 536.03 × 305.56
  4. Step 4: Simplify right side
    359.32x = 163,789.33
  5. Step 5: Solve for x
    x = 163,789.33/359.32
  6. Step 6: Final answer
    x = 455.83

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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.