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Finding the Fourth Proportional to 631.70, 944.11 and 582.46

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Solution

The fourth proportional to 631.70, 944.11 and 582.46 is: 870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.70 : 944.11 = 582.46 : x
  2. Step 2: Convert to fraction form
    631.70/944.11 = 582.46/x
  3. Step 3: Cross multiply
    631.70x = 944.11 × 582.46
  4. Step 4: Simplify right side
    631.70x = 549,904.68
  5. Step 5: Solve for x
    x = 549,904.68/631.70
  6. Step 6: Final answer
    x = 870.52

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.