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Finding the Fourth Proportional to 610.80, 917 and 337.02

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Solution

The fourth proportional to 610.80, 917 and 337.02 is: 505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.80 : 917 = 337.02 : x
  2. Step 2: Convert to fraction form
    610.80/917 = 337.02/x
  3. Step 3: Cross multiply
    610.80x = 917 × 337.02
  4. Step 4: Simplify right side
    610.80x = 309,047.34
  5. Step 5: Solve for x
    x = 309,047.34/610.80
  6. Step 6: Final answer
    x = 505.97

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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.