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Finding the Fourth Proportional to 349.34, 482.06 and 202.01

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Solution

The fourth proportional to 349.34, 482.06 and 202.01 is: 278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.34 : 482.06 = 202.01 : x
  2. Step 2: Convert to fraction form
    349.34/482.06 = 202.01/x
  3. Step 3: Cross multiply
    349.34x = 482.06 × 202.01
  4. Step 4: Simplify right side
    349.34x = 97,377.52
  5. Step 5: Solve for x
    x = 97,377.52/349.34
  6. Step 6: Final answer
    x = 278.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.