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Finding the Fourth Proportional to 507.50, 760.39 and 441.77

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Solution

The fourth proportional to 507.50, 760.39 and 441.77 is: 661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.50 : 760.39 = 441.77 : x
  2. Step 2: Convert to fraction form
    507.50/760.39 = 441.77/x
  3. Step 3: Cross multiply
    507.50x = 760.39 × 441.77
  4. Step 4: Simplify right side
    507.50x = 335,917.49
  5. Step 5: Solve for x
    x = 335,917.49/507.50
  6. Step 6: Final answer
    x = 661.91

Related Problems

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Double scale
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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.