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Finding the Fourth Proportional to 473.00, 709.25 and 148.30

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Solution

The fourth proportional to 473.00, 709.25 and 148.30 is: 222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.00 : 709.25 = 148.30 : x
  2. Step 2: Convert to fraction form
    473.00/709.25 = 148.30/x
  3. Step 3: Cross multiply
    473.00x = 709.25 × 148.30
  4. Step 4: Simplify right side
    473.00x = 105,179.26
  5. Step 5: Solve for x
    x = 105,179.26/473.00
  6. Step 6: Final answer
    x = 222.37

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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.