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Finding the Fourth Proportional to 530.85, 796.28 and 165.68

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Solution

The fourth proportional to 530.85, 796.28 and 165.68 is: 248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.85 : 796.28 = 165.68 : x
  2. Step 2: Convert to fraction form
    530.85/796.28 = 165.68/x
  3. Step 3: Cross multiply
    530.85x = 796.28 × 165.68
  4. Step 4: Simplify right side
    530.85x = 131,922.86
  5. Step 5: Solve for x
    x = 131,922.86/530.85
  6. Step 6: Final answer
    x = 248.51

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Double scale
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Similar ratio
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1.5x scale

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.