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Finding the Fourth Proportional to 695.52, 957.69 and 548.10

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Solution

The fourth proportional to 695.52, 957.69 and 548.10 is: 754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.52 : 957.69 = 548.10 : x
  2. Step 2: Convert to fraction form
    695.52/957.69 = 548.10/x
  3. Step 3: Cross multiply
    695.52x = 957.69 × 548.10
  4. Step 4: Simplify right side
    695.52x = 524,909.89
  5. Step 5: Solve for x
    x = 524,909.89/695.52
  6. Step 6: Final answer
    x = 754.70

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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.