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Finding the Fourth Proportional to 666.99, 922.35 and 600.47

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Solution

The fourth proportional to 666.99, 922.35 and 600.47 is: 830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    666.99 : 922.35 = 600.47 : x
  2. Step 2: Convert to fraction form
    666.99/922.35 = 600.47/x
  3. Step 3: Cross multiply
    666.99x = 922.35 × 600.47
  4. Step 4: Simplify right side
    666.99x = 553,843.50
  5. Step 5: Solve for x
    x = 553,843.50/666.99
  6. Step 6: Final answer
    x = 830.36

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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.