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Finding the Fourth Proportional to 355.48, 532.59 and 201.01

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Solution

The fourth proportional to 355.48, 532.59 and 201.01 is: 301.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.48 : 532.59 = 201.01 : x
  2. Step 2: Convert to fraction form
    355.48/532.59 = 201.01/x
  3. Step 3: Cross multiply
    355.48x = 532.59 × 201.01
  4. Step 4: Simplify right side
    355.48x = 107,055.92
  5. Step 5: Solve for x
    x = 107,055.92/355.48
  6. Step 6: Final answer
    x = 301.16

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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.