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Finding the Fourth Proportional to 1,500.21, 2,248.83 and 622.58

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Solution

The fourth proportional to 1,500.21, 2,248.83 and 622.58 is: 933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.21 : 2,248.83 = 622.58 : x
  2. Step 2: Convert to fraction form
    1,500.21/2,248.83 = 622.58/x
  3. Step 3: Cross multiply
    1,500.21x = 2,248.83 × 622.58
  4. Step 4: Simplify right side
    1,500.21x = 1,400,065.34
  5. Step 5: Solve for x
    x = 1,400,065.34/1,500.21
  6. Step 6: Final answer
    x = 933.25

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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.