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Finding the Fourth Proportional to 522.53, 784.04 and 248.54

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Solution

The fourth proportional to 522.53, 784.04 and 248.54 is: 372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.53 : 784.04 = 248.54 : x
  2. Step 2: Convert to fraction form
    522.53/784.04 = 248.54/x
  3. Step 3: Cross multiply
    522.53x = 784.04 × 248.54
  4. Step 4: Simplify right side
    522.53x = 194,860.14
  5. Step 5: Solve for x
    x = 194,860.14/522.53
  6. Step 6: Final answer
    x = 372.92

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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.