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Finding the Fourth Proportional to 507.32, 761.12 and 250.64

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Solution

The fourth proportional to 507.32, 761.12 and 250.64 is: 376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.32 : 761.12 = 250.64 : x
  2. Step 2: Convert to fraction form
    507.32/761.12 = 250.64/x
  3. Step 3: Cross multiply
    507.32x = 761.12 × 250.64
  4. Step 4: Simplify right side
    507.32x = 190,767.12
  5. Step 5: Solve for x
    x = 190,767.12/507.32
  6. Step 6: Final answer
    x = 376.03

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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.