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Finding the Fourth Proportional to 631.23, 948.38 and 562.11

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Solution

The fourth proportional to 631.23, 948.38 and 562.11 is: 844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.23 : 948.38 = 562.11 : x
  2. Step 2: Convert to fraction form
    631.23/948.38 = 562.11/x
  3. Step 3: Cross multiply
    631.23x = 948.38 × 562.11
  4. Step 4: Simplify right side
    631.23x = 533,091.07
  5. Step 5: Solve for x
    x = 533,091.07/631.23
  6. Step 6: Final answer
    x = 844.53

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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.