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Finding the Fourth Proportional to 522.57, 784.08 and 175.95

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Solution

The fourth proportional to 522.57, 784.08 and 175.95 is: 264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.57 : 784.08 = 175.95 : x
  2. Step 2: Convert to fraction form
    522.57/784.08 = 175.95/x
  3. Step 3: Cross multiply
    522.57x = 784.08 × 175.95
  4. Step 4: Simplify right side
    522.57x = 137,958.88
  5. Step 5: Solve for x
    x = 137,958.88/522.57
  6. Step 6: Final answer
    x = 264.00

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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.