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Finding the Fourth Proportional to 529.28, 793.91 and 204.71

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Solution

The fourth proportional to 529.28, 793.91 and 204.71 is: 307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.28 : 793.91 = 204.71 : x
  2. Step 2: Convert to fraction form
    529.28/793.91 = 204.71/x
  3. Step 3: Cross multiply
    529.28x = 793.91 × 204.71
  4. Step 4: Simplify right side
    529.28x = 162,521.32
  5. Step 5: Solve for x
    x = 162,521.32/529.28
  6. Step 6: Final answer
    x = 307.06

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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.