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Finding the Fourth Proportional to 359.24, 538.16 and 176.09

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Solution

The fourth proportional to 359.24, 538.16 and 176.09 is: 263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.24 : 538.16 = 176.09 : x
  2. Step 2: Convert to fraction form
    359.24/538.16 = 176.09/x
  3. Step 3: Cross multiply
    359.24x = 538.16 × 176.09
  4. Step 4: Simplify right side
    359.24x = 94,761.02
  5. Step 5: Solve for x
    x = 94,761.02/359.24
  6. Step 6: Final answer
    x = 263.78

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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.