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Finding the Fourth Proportional to 606.72, 837.59 and 411.24

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Solution

The fourth proportional to 606.72, 837.59 and 411.24 is: 567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.72 : 837.59 = 411.24 : x
  2. Step 2: Convert to fraction form
    606.72/837.59 = 411.24/x
  3. Step 3: Cross multiply
    606.72x = 837.59 × 411.24
  4. Step 4: Simplify right side
    606.72x = 344,448.46
  5. Step 5: Solve for x
    x = 344,448.46/606.72
  6. Step 6: Final answer
    x = 567.72

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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.