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Finding the Fourth Proportional to 508.15, 762.32 and 234.06

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Solution

The fourth proportional to 508.15, 762.32 and 234.06 is: 351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.15 : 762.32 = 234.06 : x
  2. Step 2: Convert to fraction form
    508.15/762.32 = 234.06/x
  3. Step 3: Cross multiply
    508.15x = 762.32 × 234.06
  4. Step 4: Simplify right side
    508.15x = 178,428.62
  5. Step 5: Solve for x
    x = 178,428.62/508.15
  6. Step 6: Final answer
    x = 351.13

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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.