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Finding the Fourth Proportional to 607.66, 842.52 and 574.86

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Solution

The fourth proportional to 607.66, 842.52 and 574.86 is: 797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.66 : 842.52 = 574.86 : x
  2. Step 2: Convert to fraction form
    607.66/842.52 = 574.86/x
  3. Step 3: Cross multiply
    607.66x = 842.52 × 574.86
  4. Step 4: Simplify right side
    607.66x = 484,331.05
  5. Step 5: Solve for x
    x = 484,331.05/607.66
  6. Step 6: Final answer
    x = 797.04

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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.