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Finding the Fourth Proportional to 631.44, 950.47 and 576.06

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Solution

The fourth proportional to 631.44, 950.47 and 576.06 is: 867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.44 : 950.47 = 576.06 : x
  2. Step 2: Convert to fraction form
    631.44/950.47 = 576.06/x
  3. Step 3: Cross multiply
    631.44x = 950.47 × 576.06
  4. Step 4: Simplify right side
    631.44x = 547,527.75
  5. Step 5: Solve for x
    x = 547,527.75/631.44
  6. Step 6: Final answer
    x = 867.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.