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Finding the Fourth Proportional to 52.59, 78.92 and 37.38

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Solution

The fourth proportional to 52.59, 78.92 and 37.38 is: 56.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.59 : 78.92 = 37.38 : x
  2. Step 2: Convert to fraction form
    52.59/78.92 = 37.38/x
  3. Step 3: Cross multiply
    52.59x = 78.92 × 37.38
  4. Step 4: Simplify right side
    52.59x = 2,949.84
  5. Step 5: Solve for x
    x = 2,949.84/52.59
  6. Step 6: Final answer
    x = 56.09

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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.