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Finding the Fourth Proportional to 656.00, 984.10 and 290.59

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Solution

The fourth proportional to 656.00, 984.10 and 290.59 is: 435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.00 : 984.10 = 290.59 : x
  2. Step 2: Convert to fraction form
    656.00/984.10 = 290.59/x
  3. Step 3: Cross multiply
    656.00x = 984.10 × 290.59
  4. Step 4: Simplify right side
    656.00x = 285,966.98
  5. Step 5: Solve for x
    x = 285,966.98/656.00
  6. Step 6: Final answer
    x = 435.93

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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.