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Finding the Fourth Proportional to 530.69, 796.01 and 165.47

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Solution

The fourth proportional to 530.69, 796.01 and 165.47 is: 248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.69 : 796.01 = 165.47 : x
  2. Step 2: Convert to fraction form
    530.69/796.01 = 165.47/x
  3. Step 3: Cross multiply
    530.69x = 796.01 × 165.47
  4. Step 4: Simplify right side
    530.69x = 131,710.97
  5. Step 5: Solve for x
    x = 131,710.97/530.69
  6. Step 6: Final answer
    x = 248.19

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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.