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Finding the Fourth Proportional to 837.13, 1,255.63 and 374.93

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Solution

The fourth proportional to 837.13, 1,255.63 and 374.93 is: 562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.13 : 1,255.63 = 374.93 : x
  2. Step 2: Convert to fraction form
    837.13/1,255.63 = 374.93/x
  3. Step 3: Cross multiply
    837.13x = 1,255.63 × 374.93
  4. Step 4: Simplify right side
    837.13x = 470,773.36
  5. Step 5: Solve for x
    x = 470,773.36/837.13
  6. Step 6: Final answer
    x = 562.37

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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.