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Finding the Fourth Proportional to 338.16, 507.38 and 175.96

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Solution

The fourth proportional to 338.16, 507.38 and 175.96 is: 264.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.16 : 507.38 = 175.96 : x
  2. Step 2: Convert to fraction form
    338.16/507.38 = 175.96/x
  3. Step 3: Cross multiply
    338.16x = 507.38 × 175.96
  4. Step 4: Simplify right side
    338.16x = 89,278.58
  5. Step 5: Solve for x
    x = 89,278.58/338.16
  6. Step 6: Final answer
    x = 264.01

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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.