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Finding the Fourth Proportional to 500.60, 749.74 and 483.30

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Solution

The fourth proportional to 500.60, 749.74 and 483.30 is: 723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.60 : 749.74 = 483.30 : x
  2. Step 2: Convert to fraction form
    500.60/749.74 = 483.30/x
  3. Step 3: Cross multiply
    500.60x = 749.74 × 483.30
  4. Step 4: Simplify right side
    500.60x = 362,349.34
  5. Step 5: Solve for x
    x = 362,349.34/500.60
  6. Step 6: Final answer
    x = 723.83

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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.