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Finding the Fourth Proportional to 524.47, 786.85 and 250.79

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Solution

The fourth proportional to 524.47, 786.85 and 250.79 is: 376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.47 : 786.85 = 250.79 : x
  2. Step 2: Convert to fraction form
    524.47/786.85 = 250.79/x
  3. Step 3: Cross multiply
    524.47x = 786.85 × 250.79
  4. Step 4: Simplify right side
    524.47x = 197,330.18
  5. Step 5: Solve for x
    x = 197,330.18/524.47
  6. Step 6: Final answer
    x = 376.25

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Double scale
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Similar ratio
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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.