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Finding the Fourth Proportional to 590.56, 881.68 and 538.60

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Solution

The fourth proportional to 590.56, 881.68 and 538.60 is: 804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.56 : 881.68 = 538.60 : x
  2. Step 2: Convert to fraction form
    590.56/881.68 = 538.60/x
  3. Step 3: Cross multiply
    590.56x = 881.68 × 538.60
  4. Step 4: Simplify right side
    590.56x = 474,872.85
  5. Step 5: Solve for x
    x = 474,872.85/590.56
  6. Step 6: Final answer
    x = 804.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.