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Finding the Fourth Proportional to 37.42, 51.34 and 35.35

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Solution

The fourth proportional to 37.42, 51.34 and 35.35 is: 48.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.42 : 51.34 = 35.35 : x
  2. Step 2: Convert to fraction form
    37.42/51.34 = 35.35/x
  3. Step 3: Cross multiply
    37.42x = 51.34 × 35.35
  4. Step 4: Simplify right side
    37.42x = 1,814.69
  5. Step 5: Solve for x
    x = 1,814.69/37.42
  6. Step 6: Final answer
    x = 48.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.