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Finding the Fourth Proportional to 473.50, 710.07 and 165.30

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Solution

The fourth proportional to 473.50, 710.07 and 165.30 is: 247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.50 : 710.07 = 165.30 : x
  2. Step 2: Convert to fraction form
    473.50/710.07 = 165.30/x
  3. Step 3: Cross multiply
    473.50x = 710.07 × 165.30
  4. Step 4: Simplify right side
    473.50x = 117,374.57
  5. Step 5: Solve for x
    x = 117,374.57/473.50
  6. Step 6: Final answer
    x = 247.89

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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.