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Finding the Fourth Proportional to 1,046.37, 1,442.97 and 888.83

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Solution

The fourth proportional to 1,046.37, 1,442.97 and 888.83 is: 1,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.37 : 1,442.97 = 888.83 : x
  2. Step 2: Convert to fraction form
    1,046.37/1,442.97 = 888.83/x
  3. Step 3: Cross multiply
    1,046.37x = 1,442.97 × 888.83
  4. Step 4: Simplify right side
    1,046.37x = 1,282,547.81
  5. Step 5: Solve for x
    x = 1,282,547.81/1,046.37
  6. Step 6: Final answer
    x = 1,225.71

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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.