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Finding the Fourth Proportional to 924.14, 1,386.90 and 600.20

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Solution

The fourth proportional to 924.14, 1,386.90 and 600.20 is: 900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.14 : 1,386.90 = 600.20 : x
  2. Step 2: Convert to fraction form
    924.14/1,386.90 = 600.20/x
  3. Step 3: Cross multiply
    924.14x = 1,386.90 × 600.20
  4. Step 4: Simplify right side
    924.14x = 832,410.45
  5. Step 5: Solve for x
    x = 832,410.45/924.14
  6. Step 6: Final answer
    x = 900.75

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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.