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Finding the Fourth Proportional to 524.04, 785.85 and 441.78

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Solution

The fourth proportional to 524.04, 785.85 and 441.78 is: 662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.04 : 785.85 = 441.78 : x
  2. Step 2: Convert to fraction form
    524.04/785.85 = 441.78/x
  3. Step 3: Cross multiply
    524.04x = 785.85 × 441.78
  4. Step 4: Simplify right side
    524.04x = 347,172.81
  5. Step 5: Solve for x
    x = 347,172.81/524.04
  6. Step 6: Final answer
    x = 662.49

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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.