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Finding the Fourth Proportional to 611.24, 915.30 and 337.03

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Solution

The fourth proportional to 611.24, 915.30 and 337.03 is: 504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.24 : 915.30 = 337.03 : x
  2. Step 2: Convert to fraction form
    611.24/915.30 = 337.03/x
  3. Step 3: Cross multiply
    611.24x = 915.30 × 337.03
  4. Step 4: Simplify right side
    611.24x = 308,483.85
  5. Step 5: Solve for x
    x = 308,483.85/611.24
  6. Step 6: Final answer
    x = 504.68

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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.