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Finding the Fourth Proportional to 592.60, 890.27 and 561.55

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Solution

The fourth proportional to 592.60, 890.27 and 561.55 is: 843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.60 : 890.27 = 561.55 : x
  2. Step 2: Convert to fraction form
    592.60/890.27 = 561.55/x
  3. Step 3: Cross multiply
    592.60x = 890.27 × 561.55
  4. Step 4: Simplify right side
    592.60x = 499,923.86
  5. Step 5: Solve for x
    x = 499,923.86/592.60
  6. Step 6: Final answer
    x = 843.62

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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.