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Finding the Fourth Proportional to 1,029.37, 1,544.01 and 298.93

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Solution

The fourth proportional to 1,029.37, 1,544.01 and 298.93 is: 448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.37 : 1,544.01 = 298.93 : x
  2. Step 2: Convert to fraction form
    1,029.37/1,544.01 = 298.93/x
  3. Step 3: Cross multiply
    1,029.37x = 1,544.01 × 298.93
  4. Step 4: Simplify right side
    1,029.37x = 461,550.91
  5. Step 5: Solve for x
    x = 461,550.91/1,029.37
  6. Step 6: Final answer
    x = 448.38

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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.