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Finding the Fourth Proportional to 695.92, 959.57 and 653.54

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Solution

The fourth proportional to 695.92, 959.57 and 653.54 is: 901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.92 : 959.57 = 653.54 : x
  2. Step 2: Convert to fraction form
    695.92/959.57 = 653.54/x
  3. Step 3: Cross multiply
    695.92x = 959.57 × 653.54
  4. Step 4: Simplify right side
    695.92x = 627,117.38
  5. Step 5: Solve for x
    x = 627,117.38/695.92
  6. Step 6: Final answer
    x = 901.13

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1.5x scale

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.