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Finding the Fourth Proportional to 338.88, 509.04 and 176.52

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Solution

The fourth proportional to 338.88, 509.04 and 176.52 is: 265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.88 : 509.04 = 176.52 : x
  2. Step 2: Convert to fraction form
    338.88/509.04 = 176.52/x
  3. Step 3: Cross multiply
    338.88x = 509.04 × 176.52
  4. Step 4: Simplify right side
    338.88x = 89,855.74
  5. Step 5: Solve for x
    x = 89,855.74/338.88
  6. Step 6: Final answer
    x = 265.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.