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Finding the Fourth Proportional to 388.52, 580.01 and 337.56

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Solution

The fourth proportional to 388.52, 580.01 and 337.56 is: 503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    388.52 : 580.01 = 337.56 : x
  2. Step 2: Convert to fraction form
    388.52/580.01 = 337.56/x
  3. Step 3: Cross multiply
    388.52x = 580.01 × 337.56
  4. Step 4: Simplify right side
    388.52x = 195,788.18
  5. Step 5: Solve for x
    x = 195,788.18/388.52
  6. Step 6: Final answer
    x = 503.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.