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Finding the Fourth Proportional to 530.38, 794.54 and 365.82

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Solution

The fourth proportional to 530.38, 794.54 and 365.82 is: 548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.38 : 794.54 = 365.82 : x
  2. Step 2: Convert to fraction form
    530.38/794.54 = 365.82/x
  3. Step 3: Cross multiply
    530.38x = 794.54 × 365.82
  4. Step 4: Simplify right side
    530.38x = 290,658.62
  5. Step 5: Solve for x
    x = 290,658.62/530.38
  6. Step 6: Final answer
    x = 548.02

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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.