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Finding the Fourth Proportional to 966.04, 1,333.12 and 523.93

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Solution

The fourth proportional to 966.04, 1,333.12 and 523.93 is: 723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.04 : 1,333.12 = 523.93 : x
  2. Step 2: Convert to fraction form
    966.04/1,333.12 = 523.93/x
  3. Step 3: Cross multiply
    966.04x = 1,333.12 × 523.93
  4. Step 4: Simplify right side
    966.04x = 698,466.20
  5. Step 5: Solve for x
    x = 698,466.20/966.04
  6. Step 6: Final answer
    x = 723.02

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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.