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Finding the Fourth Proportional to 601.92, 903.33 and 385.47

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Solution

The fourth proportional to 601.92, 903.33 and 385.47 is: 578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.92 : 903.33 = 385.47 : x
  2. Step 2: Convert to fraction form
    601.92/903.33 = 385.47/x
  3. Step 3: Cross multiply
    601.92x = 903.33 × 385.47
  4. Step 4: Simplify right side
    601.92x = 348,206.62
  5. Step 5: Solve for x
    x = 348,206.62/601.92
  6. Step 6: Final answer
    x = 578.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.