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Finding the Fourth Proportional to 613.56, 841.02 and 609.30

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Solution

The fourth proportional to 613.56, 841.02 and 609.30 is: 835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.56 : 841.02 = 609.30 : x
  2. Step 2: Convert to fraction form
    613.56/841.02 = 609.30/x
  3. Step 3: Cross multiply
    613.56x = 841.02 × 609.30
  4. Step 4: Simplify right side
    613.56x = 512,433.49
  5. Step 5: Solve for x
    x = 512,433.49/613.56
  6. Step 6: Final answer
    x = 835.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.