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Finding the Fourth Proportional to 349.99, 483.07 and 210.11

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Solution

The fourth proportional to 349.99, 483.07 and 210.11 is: 290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.99 : 483.07 = 210.11 : x
  2. Step 2: Convert to fraction form
    349.99/483.07 = 210.11/x
  3. Step 3: Cross multiply
    349.99x = 483.07 × 210.11
  4. Step 4: Simplify right side
    349.99x = 101,498.60
  5. Step 5: Solve for x
    x = 101,498.60/349.99
  6. Step 6: Final answer
    x = 290.01

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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.