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Finding the Fourth Proportional to 607.44, 837.87 and 482.91

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Solution

The fourth proportional to 607.44, 837.87 and 482.91 is: 666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.44 : 837.87 = 482.91 : x
  2. Step 2: Convert to fraction form
    607.44/837.87 = 482.91/x
  3. Step 3: Cross multiply
    607.44x = 837.87 × 482.91
  4. Step 4: Simplify right side
    607.44x = 404,615.80
  5. Step 5: Solve for x
    x = 404,615.80/607.44
  6. Step 6: Final answer
    x = 666.10

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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.