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Finding the Fourth Proportional to 607.20, 841.77 and 574.35

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Solution

The fourth proportional to 607.20, 841.77 and 574.35 is: 796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.20 : 841.77 = 574.35 : x
  2. Step 2: Convert to fraction form
    607.20/841.77 = 574.35/x
  3. Step 3: Cross multiply
    607.20x = 841.77 × 574.35
  4. Step 4: Simplify right side
    607.20x = 483,470.60
  5. Step 5: Solve for x
    x = 483,470.60/607.20
  6. Step 6: Final answer
    x = 796.23

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.