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Finding the Fourth Proportional to 600.84, 829.38 and 470.76

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Solution

The fourth proportional to 600.84, 829.38 and 470.76 is: 649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.84 : 829.38 = 470.76 : x
  2. Step 2: Convert to fraction form
    600.84/829.38 = 470.76/x
  3. Step 3: Cross multiply
    600.84x = 829.38 × 470.76
  4. Step 4: Simplify right side
    600.84x = 390,438.93
  5. Step 5: Solve for x
    x = 390,438.93/600.84
  6. Step 6: Final answer
    x = 649.82

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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.