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Finding the Fourth Proportional to 507.08, 699.84 and 367.66

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Solution

The fourth proportional to 507.08, 699.84 and 367.66 is: 507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.08 : 699.84 = 367.66 : x
  2. Step 2: Convert to fraction form
    507.08/699.84 = 367.66/x
  3. Step 3: Cross multiply
    507.08x = 699.84 × 367.66
  4. Step 4: Simplify right side
    507.08x = 257,303.17
  5. Step 5: Solve for x
    x = 257,303.17/507.08
  6. Step 6: Final answer
    x = 507.42

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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.