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Finding the Fourth Proportional to 135.60, 183.30 and 135.60

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Solution

The fourth proportional to 135.60, 183.30 and 135.60 is: 183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.60 : 183.30 = 135.60 : x
  2. Step 2: Convert to fraction form
    135.60/183.30 = 135.60/x
  3. Step 3: Cross multiply
    135.60x = 183.30 × 135.60
  4. Step 4: Simplify right side
    135.60x = 24,855.48
  5. Step 5: Solve for x
    x = 24,855.48/135.60
  6. Step 6: Final answer
    x = 183.30

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.