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Finding the Fourth Proportional to 699.49, 964.36 and 541.84

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Solution

The fourth proportional to 699.49, 964.36 and 541.84 is: 747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.49 : 964.36 = 541.84 : x
  2. Step 2: Convert to fraction form
    699.49/964.36 = 541.84/x
  3. Step 3: Cross multiply
    699.49x = 964.36 × 541.84
  4. Step 4: Simplify right side
    699.49x = 522,528.82
  5. Step 5: Solve for x
    x = 522,528.82/699.49
  6. Step 6: Final answer
    x = 747.01

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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.