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Finding the Fourth Proportional to 507.54, 699.24 and 376.32

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Solution

The fourth proportional to 507.54, 699.24 and 376.32 is: 518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.54 : 699.24 = 376.32 : x
  2. Step 2: Convert to fraction form
    507.54/699.24 = 376.32/x
  3. Step 3: Cross multiply
    507.54x = 699.24 × 376.32
  4. Step 4: Simplify right side
    507.54x = 263,138.00
  5. Step 5: Solve for x
    x = 263,138.00/507.54
  6. Step 6: Final answer
    x = 518.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.