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Finding the Fourth Proportional to 590.78, 886.37 and 533.27

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Solution

The fourth proportional to 590.78, 886.37 and 533.27 is: 800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.78 : 886.37 = 533.27 : x
  2. Step 2: Convert to fraction form
    590.78/886.37 = 533.27/x
  3. Step 3: Cross multiply
    590.78x = 886.37 × 533.27
  4. Step 4: Simplify right side
    590.78x = 472,667.43
  5. Step 5: Solve for x
    x = 472,667.43/590.78
  6. Step 6: Final answer
    x = 800.08

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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.