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Finding the Fourth Proportional to 1,033.58, 1,547.84 and 667.26

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Solution

The fourth proportional to 1,033.58, 1,547.84 and 667.26 is: 999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.58 : 1,547.84 = 667.26 : x
  2. Step 2: Convert to fraction form
    1,033.58/1,547.84 = 667.26/x
  3. Step 3: Cross multiply
    1,033.58x = 1,547.84 × 667.26
  4. Step 4: Simplify right side
    1,033.58x = 1,032,813.39
  5. Step 5: Solve for x
    x = 1,032,813.39/1,033.58
  6. Step 6: Final answer
    x = 999.26

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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.