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Finding the Fourth Proportional to 508.25, 761.92 and 183.39

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Solution

The fourth proportional to 508.25, 761.92 and 183.39 is: 274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.25 : 761.92 = 183.39 : x
  2. Step 2: Convert to fraction form
    508.25/761.92 = 183.39/x
  3. Step 3: Cross multiply
    508.25x = 761.92 × 183.39
  4. Step 4: Simplify right side
    508.25x = 139,728.51
  5. Step 5: Solve for x
    x = 139,728.51/508.25
  6. Step 6: Final answer
    x = 274.92

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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.