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Finding the Fourth Proportional to 507.33, 699.87 and 341.79

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Solution

The fourth proportional to 507.33, 699.87 and 341.79 is: 471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.33 : 699.87 = 341.79 : x
  2. Step 2: Convert to fraction form
    507.33/699.87 = 341.79/x
  3. Step 3: Cross multiply
    507.33x = 699.87 × 341.79
  4. Step 4: Simplify right side
    507.33x = 239,208.57
  5. Step 5: Solve for x
    x = 239,208.57/507.33
  6. Step 6: Final answer
    x = 471.50

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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.