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Finding the Fourth Proportional to 581.60, 872.44 and 292.96

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Solution

The fourth proportional to 581.60, 872.44 and 292.96 is: 439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.60 : 872.44 = 292.96 : x
  2. Step 2: Convert to fraction form
    581.60/872.44 = 292.96/x
  3. Step 3: Cross multiply
    581.60x = 872.44 × 292.96
  4. Step 4: Simplify right side
    581.60x = 255,590.02
  5. Step 5: Solve for x
    x = 255,590.02/581.60
  6. Step 6: Final answer
    x = 439.46

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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.