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Finding the Fourth Proportional to 593.60, 888.30 and 517.40

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Solution

The fourth proportional to 593.60, 888.30 and 517.40 is: 774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.60 : 888.30 = 517.40 : x
  2. Step 2: Convert to fraction form
    593.60/888.30 = 517.40/x
  3. Step 3: Cross multiply
    593.60x = 888.30 × 517.40
  4. Step 4: Simplify right side
    593.60x = 459,606.42
  5. Step 5: Solve for x
    x = 459,606.42/593.60
  6. Step 6: Final answer
    x = 774.27

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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.