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Finding the Fourth Proportional to 695.04, 959.08 and 384.48

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Solution

The fourth proportional to 695.04, 959.08 and 384.48 is: 530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.04 : 959.08 = 384.48 : x
  2. Step 2: Convert to fraction form
    695.04/959.08 = 384.48/x
  3. Step 3: Cross multiply
    695.04x = 959.08 × 384.48
  4. Step 4: Simplify right side
    695.04x = 368,747.08
  5. Step 5: Solve for x
    x = 368,747.08/695.04
  6. Step 6: Final answer
    x = 530.54

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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.