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Finding the Fourth Proportional to 587.08, 879.60 and 470.92

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Solution

The fourth proportional to 587.08, 879.60 and 470.92 is: 705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.08 : 879.60 = 470.92 : x
  2. Step 2: Convert to fraction form
    587.08/879.60 = 470.92/x
  3. Step 3: Cross multiply
    587.08x = 879.60 × 470.92
  4. Step 4: Simplify right side
    587.08x = 414,221.23
  5. Step 5: Solve for x
    x = 414,221.23/587.08
  6. Step 6: Final answer
    x = 705.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.