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Finding the Fourth Proportional to 662.10, 901.19 and 662.10

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Solution

The fourth proportional to 662.10, 901.19 and 662.10 is: 901.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.10 : 901.19 = 662.10 : x
  2. Step 2: Convert to fraction form
    662.10/901.19 = 662.10/x
  3. Step 3: Cross multiply
    662.10x = 901.19 × 662.10
  4. Step 4: Simplify right side
    662.10x = 596,677.90
  5. Step 5: Solve for x
    x = 596,677.90/662.10
  6. Step 6: Final answer
    x = 901.19

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.