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Finding the Fourth Proportional to 359.01, 538.53 and 153.30

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Solution

The fourth proportional to 359.01, 538.53 and 153.30 is: 229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.01 : 538.53 = 153.30 : x
  2. Step 2: Convert to fraction form
    359.01/538.53 = 153.30/x
  3. Step 3: Cross multiply
    359.01x = 538.53 × 153.30
  4. Step 4: Simplify right side
    359.01x = 82,556.65
  5. Step 5: Solve for x
    x = 82,556.65/359.01
  6. Step 6: Final answer
    x = 229.96

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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.