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Finding the Fourth Proportional to 610.22, 915.04 and 263.34

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Solution

The fourth proportional to 610.22, 915.04 and 263.34 is: 394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.22 : 915.04 = 263.34 : x
  2. Step 2: Convert to fraction form
    610.22/915.04 = 263.34/x
  3. Step 3: Cross multiply
    610.22x = 915.04 × 263.34
  4. Step 4: Simplify right side
    610.22x = 240,963.53
  5. Step 5: Solve for x
    x = 240,963.53/610.22
  6. Step 6: Final answer
    x = 394.88

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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.