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Finding the Fourth Proportional to 606.89, 837.50 and 358.21

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Solution

The fourth proportional to 606.89, 837.50 and 358.21 is: 494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.89 : 837.50 = 358.21 : x
  2. Step 2: Convert to fraction form
    606.89/837.50 = 358.21/x
  3. Step 3: Cross multiply
    606.89x = 837.50 × 358.21
  4. Step 4: Simplify right side
    606.89x = 299,999.68
  5. Step 5: Solve for x
    x = 299,999.68/606.89
  6. Step 6: Final answer
    x = 494.33

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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.