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Finding the Fourth Proportional to 607.20, 835.02 and 534.30

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Solution

The fourth proportional to 607.20, 835.02 and 534.30 is: 734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.20 : 835.02 = 534.30 : x
  2. Step 2: Convert to fraction form
    607.20/835.02 = 534.30/x
  3. Step 3: Cross multiply
    607.20x = 835.02 × 534.30
  4. Step 4: Simplify right side
    607.20x = 446,151.19
  5. Step 5: Solve for x
    x = 446,151.19/607.20
  6. Step 6: Final answer
    x = 734.77

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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.