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Finding the Fourth Proportional to 297.11, 444.58 and 210.53

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Solution

The fourth proportional to 297.11, 444.58 and 210.53 is: 315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.11 : 444.58 = 210.53 : x
  2. Step 2: Convert to fraction form
    297.11/444.58 = 210.53/x
  3. Step 3: Cross multiply
    297.11x = 444.58 × 210.53
  4. Step 4: Simplify right side
    297.11x = 93,598.01
  5. Step 5: Solve for x
    x = 93,598.01/297.11
  6. Step 6: Final answer
    x = 315.03

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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.