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Finding the Fourth Proportional to 697.32, 962.01 and 435.42

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Solution

The fourth proportional to 697.32, 962.01 and 435.42 is: 600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.32 : 962.01 = 435.42 : x
  2. Step 2: Convert to fraction form
    697.32/962.01 = 435.42/x
  3. Step 3: Cross multiply
    697.32x = 962.01 × 435.42
  4. Step 4: Simplify right side
    697.32x = 418,878.39
  5. Step 5: Solve for x
    x = 418,878.39/697.32
  6. Step 6: Final answer
    x = 600.70

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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.