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Finding the Fourth Proportional to 529.32, 792.54 and 451.56

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Solution

The fourth proportional to 529.32, 792.54 and 451.56 is: 676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.32 : 792.54 = 451.56 : x
  2. Step 2: Convert to fraction form
    529.32/792.54 = 451.56/x
  3. Step 3: Cross multiply
    529.32x = 792.54 × 451.56
  4. Step 4: Simplify right side
    529.32x = 357,879.36
  5. Step 5: Solve for x
    x = 357,879.36/529.32
  6. Step 6: Final answer
    x = 676.11

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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.