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Finding the Fourth Proportional to 693.01, 1,037.08 and 529.39

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Solution

The fourth proportional to 693.01, 1,037.08 and 529.39 is: 792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    693.01 : 1,037.08 = 529.39 : x
  2. Step 2: Convert to fraction form
    693.01/1,037.08 = 529.39/x
  3. Step 3: Cross multiply
    693.01x = 1,037.08 × 529.39
  4. Step 4: Simplify right side
    693.01x = 549,019.78
  5. Step 5: Solve for x
    x = 549,019.78/693.01
  6. Step 6: Final answer
    x = 792.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.