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Finding the Fourth Proportional to 676.08, 933.09 and 537.30

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Solution

The fourth proportional to 676.08, 933.09 and 537.30 is: 741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.08 : 933.09 = 537.30 : x
  2. Step 2: Convert to fraction form
    676.08/933.09 = 537.30/x
  3. Step 3: Cross multiply
    676.08x = 933.09 × 537.30
  4. Step 4: Simplify right side
    676.08x = 501,349.26
  5. Step 5: Solve for x
    x = 501,349.26/676.08
  6. Step 6: Final answer
    x = 741.55

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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.