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Finding the Fourth Proportional to 359.77, 540.33 and 351.58

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Solution

The fourth proportional to 359.77, 540.33 and 351.58 is: 528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.77 : 540.33 = 351.58 : x
  2. Step 2: Convert to fraction form
    359.77/540.33 = 351.58/x
  3. Step 3: Cross multiply
    359.77x = 540.33 × 351.58
  4. Step 4: Simplify right side
    359.77x = 189,969.22
  5. Step 5: Solve for x
    x = 189,969.22/359.77
  6. Step 6: Final answer
    x = 528.03

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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.