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Finding the Fourth Proportional to 522.56, 784.12 and 248.52

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Solution

The fourth proportional to 522.56, 784.12 and 248.52 is: 372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.56 : 784.12 = 248.52 : x
  2. Step 2: Convert to fraction form
    522.56/784.12 = 248.52/x
  3. Step 3: Cross multiply
    522.56x = 784.12 × 248.52
  4. Step 4: Simplify right side
    522.56x = 194,869.50
  5. Step 5: Solve for x
    x = 194,869.50/522.56
  6. Step 6: Final answer
    x = 372.91

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Double scale
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Similar ratio
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1.5x scale

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.