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Finding the Fourth Proportional to 530.86, 795.97 and 238.31

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Solution

The fourth proportional to 530.86, 795.97 and 238.31 is: 357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.86 : 795.97 = 238.31 : x
  2. Step 2: Convert to fraction form
    530.86/795.97 = 238.31/x
  3. Step 3: Cross multiply
    530.86x = 795.97 × 238.31
  4. Step 4: Simplify right side
    530.86x = 189,687.61
  5. Step 5: Solve for x
    x = 189,687.61/530.86
  6. Step 6: Final answer
    x = 357.32

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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.