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Finding the Fourth Proportional to 522.63, 784.04 and 176.00

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Solution

The fourth proportional to 522.63, 784.04 and 176.00 is: 264.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.63 : 784.04 = 176.00 : x
  2. Step 2: Convert to fraction form
    522.63/784.04 = 176.00/x
  3. Step 3: Cross multiply
    522.63x = 784.04 × 176.00
  4. Step 4: Simplify right side
    522.63x = 137,992.12
  5. Step 5: Solve for x
    x = 137,992.12/522.63
  6. Step 6: Final answer
    x = 264.03

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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.