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Finding the Fourth Proportional to 359.61, 539.64 and 164.58

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Solution

The fourth proportional to 359.61, 539.64 and 164.58 is: 246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.61 : 539.64 = 164.58 : x
  2. Step 2: Convert to fraction form
    359.61/539.64 = 164.58/x
  3. Step 3: Cross multiply
    359.61x = 539.64 × 164.58
  4. Step 4: Simplify right side
    359.61x = 88,813.95
  5. Step 5: Solve for x
    x = 88,813.95/359.61
  6. Step 6: Final answer
    x = 246.97

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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.