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Finding the Fourth Proportional to 530.49, 795.81 and 165.31

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Solution

The fourth proportional to 530.49, 795.81 and 165.31 is: 247.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.49 : 795.81 = 165.31 : x
  2. Step 2: Convert to fraction form
    530.49/795.81 = 165.31/x
  3. Step 3: Cross multiply
    530.49x = 795.81 × 165.31
  4. Step 4: Simplify right side
    530.49x = 131,557.53
  5. Step 5: Solve for x
    x = 131,557.53/530.49
  6. Step 6: Final answer
    x = 247.99

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Double scale
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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.