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Finding the Fourth Proportional to 522.63, 784.94 and 499.59

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Solution

The fourth proportional to 522.63, 784.94 and 499.59 is: 750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.63 : 784.94 = 499.59 : x
  2. Step 2: Convert to fraction form
    522.63/784.94 = 499.59/x
  3. Step 3: Cross multiply
    522.63x = 784.94 × 499.59
  4. Step 4: Simplify right side
    522.63x = 392,145.68
  5. Step 5: Solve for x
    x = 392,145.68/522.63
  6. Step 6: Final answer
    x = 750.33

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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.