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Finding the Fourth Proportional to 507.15, 699.75 and 341.37

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Solution

The fourth proportional to 507.15, 699.75 and 341.37 is: 471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.15 : 699.75 = 341.37 : x
  2. Step 2: Convert to fraction form
    507.15/699.75 = 341.37/x
  3. Step 3: Cross multiply
    507.15x = 699.75 × 341.37
  4. Step 4: Simplify right side
    507.15x = 238,873.66
  5. Step 5: Solve for x
    x = 238,873.66/507.15
  6. Step 6: Final answer
    x = 471.01

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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.