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Finding the Fourth Proportional to 528.58, 793.02 and 268.44

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Solution

The fourth proportional to 528.58, 793.02 and 268.44 is: 402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.58 : 793.02 = 268.44 : x
  2. Step 2: Convert to fraction form
    528.58/793.02 = 268.44/x
  3. Step 3: Cross multiply
    528.58x = 793.02 × 268.44
  4. Step 4: Simplify right side
    528.58x = 212,878.29
  5. Step 5: Solve for x
    x = 212,878.29/528.58
  6. Step 6: Final answer
    x = 402.74

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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.