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Finding the Fourth Proportional to 340.56, 507.44 and 303.70

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Solution

The fourth proportional to 340.56, 507.44 and 303.70 is: 452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.56 : 507.44 = 303.70 : x
  2. Step 2: Convert to fraction form
    340.56/507.44 = 303.70/x
  3. Step 3: Cross multiply
    340.56x = 507.44 × 303.70
  4. Step 4: Simplify right side
    340.56x = 154,109.53
  5. Step 5: Solve for x
    x = 154,109.53/340.56
  6. Step 6: Final answer
    x = 452.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.