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Finding the Fourth Proportional to 522.60, 784.07 and 175.97

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Solution

The fourth proportional to 522.60, 784.07 and 175.97 is: 264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.60 : 784.07 = 175.97 : x
  2. Step 2: Convert to fraction form
    522.60/784.07 = 175.97/x
  3. Step 3: Cross multiply
    522.60x = 784.07 × 175.97
  4. Step 4: Simplify right side
    522.60x = 137,972.80
  5. Step 5: Solve for x
    x = 137,972.80/522.60
  6. Step 6: Final answer
    x = 264.01

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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.