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Finding the Fourth Proportional to 530.30, 795.45 and 140.27

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Solution

The fourth proportional to 530.30, 795.45 and 140.27 is: 210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.30 : 795.45 = 140.27 : x
  2. Step 2: Convert to fraction form
    530.30/795.45 = 140.27/x
  3. Step 3: Cross multiply
    530.30x = 795.45 × 140.27
  4. Step 4: Simplify right side
    530.30x = 111,577.77
  5. Step 5: Solve for x
    x = 111,577.77/530.30
  6. Step 6: Final answer
    x = 210.41

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Similar ratio
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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.