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Finding the Fourth Proportional to 700.62, 967.06 and 690.10

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Solution

The fourth proportional to 700.62, 967.06 and 690.10 is: 952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.62 : 967.06 = 690.10 : x
  2. Step 2: Convert to fraction form
    700.62/967.06 = 690.10/x
  3. Step 3: Cross multiply
    700.62x = 967.06 × 690.10
  4. Step 4: Simplify right side
    700.62x = 667,368.11
  5. Step 5: Solve for x
    x = 667,368.11/700.62
  6. Step 6: Final answer
    x = 952.54

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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.