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Finding the Fourth Proportional to 530.47, 795.39 and 237.97

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Solution

The fourth proportional to 530.47, 795.39 and 237.97 is: 356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.47 : 795.39 = 237.97 : x
  2. Step 2: Convert to fraction form
    530.47/795.39 = 237.97/x
  3. Step 3: Cross multiply
    530.47x = 795.39 × 237.97
  4. Step 4: Simplify right side
    530.47x = 189,278.96
  5. Step 5: Solve for x
    x = 189,278.96/530.47
  6. Step 6: Final answer
    x = 356.81

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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.