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Finding the Fourth Proportional to 508.33, 762.49 and 265.33

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Solution

The fourth proportional to 508.33, 762.49 and 265.33 is: 397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.33 : 762.49 = 265.33 : x
  2. Step 2: Convert to fraction form
    508.33/762.49 = 265.33/x
  3. Step 3: Cross multiply
    508.33x = 762.49 × 265.33
  4. Step 4: Simplify right side
    508.33x = 202,307.72
  5. Step 5: Solve for x
    x = 202,307.72/508.33
  6. Step 6: Final answer
    x = 397.99

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Double scale
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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.