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Finding the Fourth Proportional to 607.22, 837.60 and 373.94

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Solution

The fourth proportional to 607.22, 837.60 and 373.94 is: 515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.22 : 837.60 = 373.94 : x
  2. Step 2: Convert to fraction form
    607.22/837.60 = 373.94/x
  3. Step 3: Cross multiply
    607.22x = 837.60 × 373.94
  4. Step 4: Simplify right side
    607.22x = 313,212.14
  5. Step 5: Solve for x
    x = 313,212.14/607.22
  6. Step 6: Final answer
    x = 515.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.