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Finding the Fourth Proportional to 607.34, 910.74 and 547.04

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Solution

The fourth proportional to 607.34, 910.74 and 547.04 is: 820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.34 : 910.74 = 547.04 : x
  2. Step 2: Convert to fraction form
    607.34/910.74 = 547.04/x
  3. Step 3: Cross multiply
    607.34x = 910.74 × 547.04
  4. Step 4: Simplify right side
    607.34x = 498,211.21
  5. Step 5: Solve for x
    x = 498,211.21/607.34
  6. Step 6: Final answer
    x = 820.32

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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.