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Finding the Fourth Proportional to 676.41, 933.44 and 365.91

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Solution

The fourth proportional to 676.41, 933.44 and 365.91 is: 504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.41 : 933.44 = 365.91 : x
  2. Step 2: Convert to fraction form
    676.41/933.44 = 365.91/x
  3. Step 3: Cross multiply
    676.41x = 933.44 × 365.91
  4. Step 4: Simplify right side
    676.41x = 341,551.76
  5. Step 5: Solve for x
    x = 341,551.76/676.41
  6. Step 6: Final answer
    x = 504.95

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1.5x scale

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.