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Finding the Fourth Proportional to 507.87, 701.06 and 342.23

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Solution

The fourth proportional to 507.87, 701.06 and 342.23 is: 472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.87 : 701.06 = 342.23 : x
  2. Step 2: Convert to fraction form
    507.87/701.06 = 342.23/x
  3. Step 3: Cross multiply
    507.87x = 701.06 × 342.23
  4. Step 4: Simplify right side
    507.87x = 239,918.55
  5. Step 5: Solve for x
    x = 239,918.55/507.87
  6. Step 6: Final answer
    x = 472.40

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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.