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Finding the Fourth Proportional to 606.76, 830.12 and 604.16

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Solution

The fourth proportional to 606.76, 830.12 and 604.16 is: 826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.76 : 830.12 = 604.16 : x
  2. Step 2: Convert to fraction form
    606.76/830.12 = 604.16/x
  3. Step 3: Cross multiply
    606.76x = 830.12 × 604.16
  4. Step 4: Simplify right side
    606.76x = 501,521.24
  5. Step 5: Solve for x
    x = 501,521.24/606.76
  6. Step 6: Final answer
    x = 826.56

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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.