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Finding the Fourth Proportional to 508.08, 762.36 and 248.16

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Solution

The fourth proportional to 508.08, 762.36 and 248.16 is: 372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.08 : 762.36 = 248.16 : x
  2. Step 2: Convert to fraction form
    508.08/762.36 = 248.16/x
  3. Step 3: Cross multiply
    508.08x = 762.36 × 248.16
  4. Step 4: Simplify right side
    508.08x = 189,187.26
  5. Step 5: Solve for x
    x = 189,187.26/508.08
  6. Step 6: Final answer
    x = 372.36

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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.