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Finding the Fourth Proportional to 590.21, 883.58 and 517.23

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Solution

The fourth proportional to 590.21, 883.58 and 517.23 is: 774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.21 : 883.58 = 517.23 : x
  2. Step 2: Convert to fraction form
    590.21/883.58 = 517.23/x
  3. Step 3: Cross multiply
    590.21x = 883.58 × 517.23
  4. Step 4: Simplify right side
    590.21x = 457,011.50
  5. Step 5: Solve for x
    x = 457,011.50/590.21
  6. Step 6: Final answer
    x = 774.32

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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.