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Finding the Fourth Proportional to 522.70, 784.01 and 176.04

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Solution

The fourth proportional to 522.70, 784.01 and 176.04 is: 264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.70 : 784.01 = 176.04 : x
  2. Step 2: Convert to fraction form
    522.70/784.01 = 176.04/x
  3. Step 3: Cross multiply
    522.70x = 784.01 × 176.04
  4. Step 4: Simplify right side
    522.70x = 138,017.56
  5. Step 5: Solve for x
    x = 138,017.56/522.70
  6. Step 6: Final answer
    x = 264.05

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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.