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Finding the Fourth Proportional to 473.45, 652.66 and 375.23

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Solution

The fourth proportional to 473.45, 652.66 and 375.23 is: 517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.45 : 652.66 = 375.23 : x
  2. Step 2: Convert to fraction form
    473.45/652.66 = 375.23/x
  3. Step 3: Cross multiply
    473.45x = 652.66 × 375.23
  4. Step 4: Simplify right side
    473.45x = 244,898.31
  5. Step 5: Solve for x
    x = 244,898.31/473.45
  6. Step 6: Final answer
    x = 517.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.