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Finding the Fourth Proportional to 522.85, 784.23 and 176.17

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Solution

The fourth proportional to 522.85, 784.23 and 176.17 is: 264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.85 : 784.23 = 176.17 : x
  2. Step 2: Convert to fraction form
    522.85/784.23 = 176.17/x
  3. Step 3: Cross multiply
    522.85x = 784.23 × 176.17
  4. Step 4: Simplify right side
    522.85x = 138,157.80
  5. Step 5: Solve for x
    x = 138,157.80/522.85
  6. Step 6: Final answer
    x = 264.24

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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.