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Finding the Fourth Proportional to 511.24, 767.10 and 203.08

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Solution

The fourth proportional to 511.24, 767.10 and 203.08 is: 304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.24 : 767.10 = 203.08 : x
  2. Step 2: Convert to fraction form
    511.24/767.10 = 203.08/x
  3. Step 3: Cross multiply
    511.24x = 767.10 × 203.08
  4. Step 4: Simplify right side
    511.24x = 155,782.67
  5. Step 5: Solve for x
    x = 155,782.67/511.24
  6. Step 6: Final answer
    x = 304.72

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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.