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Finding the Fourth Proportional to 301.21, 452.07 and 210.10

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Solution

The fourth proportional to 301.21, 452.07 and 210.10 is: 315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.21 : 452.07 = 210.10 : x
  2. Step 2: Convert to fraction form
    301.21/452.07 = 210.10/x
  3. Step 3: Cross multiply
    301.21x = 452.07 × 210.10
  4. Step 4: Simplify right side
    301.21x = 94,979.91
  5. Step 5: Solve for x
    x = 94,979.91/301.21
  6. Step 6: Final answer
    x = 315.33

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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.