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Finding the Fourth Proportional to 696.76, 962.28 and 550.48

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Solution

The fourth proportional to 696.76, 962.28 and 550.48 is: 760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.76 : 962.28 = 550.48 : x
  2. Step 2: Convert to fraction form
    696.76/962.28 = 550.48/x
  3. Step 3: Cross multiply
    696.76x = 962.28 × 550.48
  4. Step 4: Simplify right side
    696.76x = 529,715.89
  5. Step 5: Solve for x
    x = 529,715.89/696.76
  6. Step 6: Final answer
    x = 760.26

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Half scale
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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.