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Finding the Fourth Proportional to 675.35, 931.99 and 364.85

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Solution

The fourth proportional to 675.35, 931.99 and 364.85 is: 503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.35 : 931.99 = 364.85 : x
  2. Step 2: Convert to fraction form
    675.35/931.99 = 364.85/x
  3. Step 3: Cross multiply
    675.35x = 931.99 × 364.85
  4. Step 4: Simplify right side
    675.35x = 340,036.24
  5. Step 5: Solve for x
    x = 340,036.24/675.35
  6. Step 6: Final answer
    x = 503.50

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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.