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Finding the Fourth Proportional to 606.04, 835.95 and 384.60

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Solution

The fourth proportional to 606.04, 835.95 and 384.60 is: 530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.04 : 835.95 = 384.60 : x
  2. Step 2: Convert to fraction form
    606.04/835.95 = 384.60/x
  3. Step 3: Cross multiply
    606.04x = 835.95 × 384.60
  4. Step 4: Simplify right side
    606.04x = 321,510.95
  5. Step 5: Solve for x
    x = 321,510.95/606.04
  6. Step 6: Final answer
    x = 530.51

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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.