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Finding the Fourth Proportional to 562.88, 844.47 and 238.28

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Solution

The fourth proportional to 562.88, 844.47 and 238.28 is: 357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.88 : 844.47 = 238.28 : x
  2. Step 2: Convert to fraction form
    562.88/844.47 = 238.28/x
  3. Step 3: Cross multiply
    562.88x = 844.47 × 238.28
  4. Step 4: Simplify right side
    562.88x = 201,216.09
  5. Step 5: Solve for x
    x = 201,216.09/562.88
  6. Step 6: Final answer
    x = 357.48

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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.