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Finding the Fourth Proportional to 435.04, 601.04 and 288.16

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Solution

The fourth proportional to 435.04, 601.04 and 288.16 is: 398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.04 : 601.04 = 288.16 : x
  2. Step 2: Convert to fraction form
    435.04/601.04 = 288.16/x
  3. Step 3: Cross multiply
    435.04x = 601.04 × 288.16
  4. Step 4: Simplify right side
    435.04x = 173,195.69
  5. Step 5: Solve for x
    x = 173,195.69/435.04
  6. Step 6: Final answer
    x = 398.11

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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.