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Finding the Fourth Proportional to 134.06, 200.93 and 56.90

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Solution

The fourth proportional to 134.06, 200.93 and 56.90 is: 85.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.06 : 200.93 = 56.90 : x
  2. Step 2: Convert to fraction form
    134.06/200.93 = 56.90/x
  3. Step 3: Cross multiply
    134.06x = 200.93 × 56.90
  4. Step 4: Simplify right side
    134.06x = 11,432.63
  5. Step 5: Solve for x
    x = 11,432.63/134.06
  6. Step 6: Final answer
    x = 85.28

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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.