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Finding the Fourth Proportional to 507.49, 760.25 and 333.63

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Solution

The fourth proportional to 507.49, 760.25 and 333.63 is: 499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.49 : 760.25 = 333.63 : x
  2. Step 2: Convert to fraction form
    507.49/760.25 = 333.63/x
  3. Step 3: Cross multiply
    507.49x = 760.25 × 333.63
  4. Step 4: Simplify right side
    507.49x = 253,644.11
  5. Step 5: Solve for x
    x = 253,644.11/507.49
  6. Step 6: Final answer
    x = 499.80

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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.