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Finding the Fourth Proportional to 967.50, 1,335.20 and 594.88

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Solution

The fourth proportional to 967.50, 1,335.20 and 594.88 is: 820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.50 : 1,335.20 = 594.88 : x
  2. Step 2: Convert to fraction form
    967.50/1,335.20 = 594.88/x
  3. Step 3: Cross multiply
    967.50x = 1,335.20 × 594.88
  4. Step 4: Simplify right side
    967.50x = 794,281.93
  5. Step 5: Solve for x
    x = 794,281.93/967.50
  6. Step 6: Final answer
    x = 820.96

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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.