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Finding the Fourth Proportional to 631.22, 945.57 and 501.44

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Solution

The fourth proportional to 631.22, 945.57 and 501.44 is: 751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.22 : 945.57 = 501.44 : x
  2. Step 2: Convert to fraction form
    631.22/945.57 = 501.44/x
  3. Step 3: Cross multiply
    631.22x = 945.57 × 501.44
  4. Step 4: Simplify right side
    631.22x = 474,146.62
  5. Step 5: Solve for x
    x = 474,146.62/631.22
  6. Step 6: Final answer
    x = 751.16

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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.