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Finding the Fourth Proportional to 1,002.08, 1,504.22 and 591.50

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Solution

The fourth proportional to 1,002.08, 1,504.22 and 591.50 is: 887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002.08 : 1,504.22 = 591.50 : x
  2. Step 2: Convert to fraction form
    1,002.08/1,504.22 = 591.50/x
  3. Step 3: Cross multiply
    1,002.08x = 1,504.22 × 591.50
  4. Step 4: Simplify right side
    1,002.08x = 889,746.13
  5. Step 5: Solve for x
    x = 889,746.13/1,002.08
  6. Step 6: Final answer
    x = 887.90

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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.