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Finding the Fourth Proportional to 758.04, 1,046.28 and 537.06

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Solution

The fourth proportional to 758.04, 1,046.28 and 537.06 is: 741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    758.04 : 1,046.28 = 537.06 : x
  2. Step 2: Convert to fraction form
    758.04/1,046.28 = 537.06/x
  3. Step 3: Cross multiply
    758.04x = 1,046.28 × 537.06
  4. Step 4: Simplify right side
    758.04x = 561,915.14
  5. Step 5: Solve for x
    x = 561,915.14/758.04
  6. Step 6: Final answer
    x = 741.27

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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.