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Finding the Fourth Proportional to 1,000.44, 1,500.65 and 342.32

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Solution

The fourth proportional to 1,000.44, 1,500.65 and 342.32 is: 513.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000.44 : 1,500.65 = 342.32 : x
  2. Step 2: Convert to fraction form
    1,000.44/1,500.65 = 342.32/x
  3. Step 3: Cross multiply
    1,000.44x = 1,500.65 × 342.32
  4. Step 4: Simplify right side
    1,000.44x = 513,698.72
  5. Step 5: Solve for x
    x = 513,698.72/1,000.44
  6. Step 6: Final answer
    x = 513.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.