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Finding the Fourth Proportional to 355.56, 530.97 and 337.34

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Solution

The fourth proportional to 355.56, 530.97 and 337.34 is: 503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.56 : 530.97 = 337.34 : x
  2. Step 2: Convert to fraction form
    355.56/530.97 = 337.34/x
  3. Step 3: Cross multiply
    355.56x = 530.97 × 337.34
  4. Step 4: Simplify right side
    355.56x = 179,114.76
  5. Step 5: Solve for x
    x = 179,114.76/355.56
  6. Step 6: Final answer
    x = 503.75

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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.