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Finding the Fourth Proportional to 700.52, 966.78 and 525.56

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Solution

The fourth proportional to 700.52, 966.78 and 525.56 is: 725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.52 : 966.78 = 525.56 : x
  2. Step 2: Convert to fraction form
    700.52/966.78 = 525.56/x
  3. Step 3: Cross multiply
    700.52x = 966.78 × 525.56
  4. Step 4: Simplify right side
    700.52x = 508,097.38
  5. Step 5: Solve for x
    x = 508,097.38/700.52
  6. Step 6: Final answer
    x = 725.32

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Double scale
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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.