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Finding the Fourth Proportional to 469.00, 703.50 and 440.14

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Solution

The fourth proportional to 469.00, 703.50 and 440.14 is: 660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.00 : 703.50 = 440.14 : x
  2. Step 2: Convert to fraction form
    469.00/703.50 = 440.14/x
  3. Step 3: Cross multiply
    469.00x = 703.50 × 440.14
  4. Step 4: Simplify right side
    469.00x = 309,639.00
  5. Step 5: Solve for x
    x = 309,639.00/469.00
  6. Step 6: Final answer
    x = 660.21

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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.